UNC (Unified National Coarse)

109 products

  • 5/16" UNC Socket Cap Head Screws - Zinc Plated Steel - FRANKS FASTENERS LTD

    70 in stock

    £1.03 - £56.80

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    3/8" UNC x 45mm Exhaust Inlet Manifold Stud (26mm/9mm/10mm)

    56 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 3/8" UNC x 45mm (26mm/9mm/10mm)

    56 in stock

    £1.65

  • 3/8" UNC Manifold Nuts - Brass - FRANKS FASTENERS LTD

    3/8" UNC Manifold Nuts - Brass

    20 in stock

    Upgrade your fittings with our 3/8" UNC Manifold Nuts, expertly crafted from high-quality brass for excellent strength, corrosion resistance, and durability. Designed to meet the demands of plumbing, hydraulic systems, gas installations, and various industrial and automotive applications, these manifold nuts provide a reliable and leak-free connection every time. Key Features:✅ Size: 3/8" UNC Thread✅ Material: Solid Brass – naturally corrosion-resistant and long-lasting✅ Precision Engineering for a secure and accurate fit✅ Versatile Applications – ideal for manifolds, pipe fittings, gas and water systems, and hydraulic equipment✅ Excellent Thermal & Electrical Conductivity – suitable for high-performance environments✅ Resistant to Rust & Wear, perfect for indoor and outdoor use Why Choose Brass Manifold Nuts?Brass offers superior durability, machinability, and resistance to corrosion compared to steel or zinc-coated alternatives. Our 3/8" UNC Manifold Nuts are ideal for environments where moisture, chemicals, or temperature fluctuations are present. They maintain a secure connection and extend the life of your system. Common Uses:🔹 Gas Manifolds🔹 Water Systems🔹 HVAC & Air Conditioning Units🔹 Hydraulic & Pneumatic Equipment🔹 Industrial Machinery🔹 Automotive & Marine Applications

    20 in stock

    £0.63

  • 1/2" UNC Hexagon Nuts, Zinc Plated Steel - FRANKS FASTENERS LTD

    5/16" UNC Hexagon Nuts, Zinc Plated Steel

    66 in stock

    Secure and strengthen your assemblies with our 5/16" UNC Hexagon Nuts, precision-engineered from high-quality Zinc Plated Steel. Designed to pair perfectly with 5/16" UNC (Unified National Coarse) threaded bolts and fasteners, these versatile nuts are ideal for a wide range of construction, automotive, industrial, and DIY applications. Key Features: Size: 5/16 inch UNC (Unified National Coarse) thread Material: Durable Steel with protective Zinc Plating for corrosion resistance Shape: Standard Hexagon (6-sided) for easy wrenching and secure fastening Finish: Bright Zinc Plated – adds both aesthetic appeal and long-lasting protection Standards: Manufactured to industry-standard tolerances for reliable fit and performance Benefits: Provides a strong, secure hold for coarse-threaded applications Zinc plating resists rust and oxidation, extending the life of the nut Compatible with a wide range of UNC bolts, screws, and threaded rod Easy to install and remove using standard spanners or sockets Suitable for indoor and light outdoor use

    66 in stock

    £0.06

  • 1/2" UNC Hexagon Nuts, Zinc Plated Steel - FRANKS FASTENERS LTD

    3/8" UNC Hexagon Nuts, Zinc Plated Steel

    50 in stock

    Secure and strengthen your assemblies with our 3/8" UNC Hexagon Nuts, precision-engineered from high-quality Zinc Plated Steel. Designed to pair perfectly with 3/8" UNC (Unified National Coarse) threaded bolts and fasteners, these versatile nuts are ideal for a wide range of construction, automotive, industrial, and DIY applications. Key Features: Size: 3/8 inch UNC (Unified National Coarse) thread Material: Durable Steel with protective Zinc Plating for corrosion resistance Shape: Standard Hexagon (6-sided) for easy wrenching and secure fastening Finish: Bright Zinc Plated – adds both aesthetic appeal and long-lasting protection Standards: Manufactured to industry-standard tolerances for reliable fit and performance Benefits: Provides a strong, secure hold for coarse-threaded applications Zinc plating resists rust and oxidation, extending the life of the nut Compatible with a wide range of UNC bolts, screws, and threaded rod Easy to install and remove using standard spanners or sockets Suitable for indoor and light outdoor use

    50 in stock

    £0.09

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    72 in stock

    £0.22

  • 1/4" UNC Flat Point Set / Grub Screws - Self Colour High Tensile Steel (14.9) - FRANKS FASTENERS LTD

    80 in stock

    £0.62 - £12.46

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    1/2" UNC x 1 1/2" Hexagon Screws, Self Colour Steel 8.8

    72 in stock

    Built for grip, strength, and no-nonsense performance, these 1/2" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 1/2" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    72 in stock

    £0.44

  • 1/2" UNF Hexagon Full Nut, Self Colour Steel - FRANKS FASTENERS LTD

    1/2" UNC Hexagon Full Nut, Self Colour Steel

    188 in stock

    Get dependable fastening performance with this high-quality 1/2" UNC hexagon full nut, designed for strength, ease of use, and versatility across a wide range of applications. Featuring a Unified National Coarse (UNC) thread, this nut is ideal for general-purpose fastening where quick assembly and strong holding power are essential. The standard hexagon shape allows for easy tightening with spanners or sockets, making installation simple and efficient in both professional and DIY environments. Manufactured from robust self colour steel (plain finish), these nuts maintain their natural strength and are well suited for indoor or controlled conditions. Size: 1/2" UNC (Unified National Coarse Thread) Type: Hexagon Full Nut Material: Steel Finish: Self Colour (uncoated/plain) Thread Type: UNC – coarse pitch for quick assembly and reliable grip Drive Type: External Hex (spanner/socket compatible) Ideal for use in: General engineering and construction Machinery and equipment assembly Automotive repairs and maintenance DIY and workshop projects

    188 in stock

    £0.16

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    7/16" UNC x 3/4" Hexagon Screws, Self Colour Steel 8.8

    148 in stock

    Built for grip, strength, and no-nonsense performance, these 7/16" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 7/16" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    148 in stock

    £0.35

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    5/16" UNC/UNF x 42mm Exhaust Inlet Manifold Stud (18mm/14mm/10mm)

    50 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 5/16" UNC/UNF x 42mm (18mm/14mm/10mm)

    50 in stock

    £0.81

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    5/16" UNC x 45mm Exhaust Inlet Manifold Stud (26mm/10mm/9mm)

    50 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 5/16" UNC x 45mm (26mm/10mm/9mm)

    50 in stock

    £0.81

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    5/16" UNC x 3/4" Hexagon Screws, Self Colour Steel 8.8

    136 in stock

    Built for grip, strength, and no-nonsense performance, these 5/16" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 5/16" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    136 in stock

    £0.16

  • 1/4" UNC Socket Cap Head Screws - Self Colour High Tensile Steel (12.9) - FRANKS FASTENERS LTD

    82 in stock

    £0.85 - £34.76

  • 1/4" UNC Socket Cap Head Screws - Self Colour High Tensile Steel (12.9) - FRANKS FASTENERS LTD

    103 in stock

    £0.96 - £155.08

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    1/4" UNC x 3/4" Hexagon Screws, Self Colour Steel 8.8

    133 in stock

    Built for grip, strength, and no-nonsense performance, these 1/4" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 1/4" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    133 in stock

    £0.13

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    200 in stock

    £0.19

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    90 in stock

    £0.35

  • 1/4" UNC Socket Cap Head Screws - Self Colour High Tensile Steel (12.9) - FRANKS FASTENERS LTD

    138 in stock

    £0.73 - £42.01

  • #6 UNC Flat Point Set / Grub Screws - Self Colour High Tensile Steel (14.9) - FRANKS FASTENERS LTD

    12 in stock

    £0.62 - £5.33

  • #10 UNC Flat Point Set / Grub Screws - Self Colour High Tensile Steel (14.9) - FRANKS FASTENERS LTD

    67 in stock

    £0.59 - £9.11

  • 7/16" UNF x 3/4" Hexagon Screws, Zinc Plated 8.8 - FRANKS FASTENERS LTD

    1/4" UNC x 1" Hexagon Screws, Zinc Plated 8.8

    72 in stock

    Secure your projects with confidence using these 1/4" UNC x 1" Hexagon Screws, manufactured from high-tensile Grade 8.8 steel and finished with zinc plating for enhanced corrosion resistance. Built for strength and durability, these bolts are ideal for both professional trades and heavy-duty DIY applications. Designed with a standard hex head for easy installation, they provide a strong, reliable fastening solution across a wide range of environments. Size: 1/4" UNC x 1" (Length) Thread Type: UNC (Unified National Coarse) Material: High tensile carbon steel Grade: 8.8 – high strength and load capacity Finish: Zinc plated for improved corrosion resistance Head Type: Hexagon head for spanner or socket use Durability: Suitable for indoor and light outdoor applications Why choose Zinc Plated Hex Bolts? Corrosion Protection: Zinc coating helps resist rust and extends lifespan High Strength: Grade 8.8 steel ensures dependable performance under load Versatile Application: Suitable for construction, automotive, machinery, and general use Easy Installation: Hex head design allows quick and secure tightening Cost-Effective: Strong performance without the premium cost of stainless steel UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Structural and framework fastening Automotive repairs and maintenance Machinery and equipment assembly General engineering and DIY projects

    72 in stock

    £0.16

  • 7/16" UNF x 3/4" Hexagon Screws, Zinc Plated 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 1" Hexagon Screws, Zinc Plated 8.8

    50 in stock

    Secure your projects with confidence using these 3/8" UNC x 1" Hexagon Screws, manufactured from high-tensile Grade 8.8 steel and finished with zinc plating for enhanced corrosion resistance. Built for strength and durability, these bolts are ideal for both professional trades and heavy-duty DIY applications. Designed with a standard hex head for easy installation, they provide a strong, reliable fastening solution across a wide range of environments. Size: 3/8" UNC x 1" (Length) Thread Type: UNC (Unified National Coarse) Material: High tensile carbon steel Grade: 8.8 – high strength and load capacity Finish: Zinc plated for improved corrosion resistance Head Type: Hexagon head for spanner or socket use Durability: Suitable for indoor and light outdoor applications Why choose Zinc Plated Hex Bolts? Corrosion Protection: Zinc coating helps resist rust and extends lifespan High Strength: Grade 8.8 steel ensures dependable performance under load Versatile Application: Suitable for construction, automotive, machinery, and general use Easy Installation: Hex head design allows quick and secure tightening Cost-Effective: Strong performance without the premium cost of stainless steel UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Structural and framework fastening Automotive repairs and maintenance Machinery and equipment assembly General engineering and DIY projects

    50 in stock

    £0.32

  • 7/16" UNF x 3/4" Hexagon Screws, Zinc Plated 8.8 - FRANKS FASTENERS LTD

    5/16" UNC x 3/4" Hexagon Screws, Zinc Plated 8.8

    76 in stock

    Secure your projects with confidence using these 5/16" UNC x 3/4" Hexagon Screws, manufactured from high-tensile Grade 8.8 steel and finished with zinc plating for enhanced corrosion resistance. Built for strength and durability, these bolts are ideal for both professional trades and heavy-duty DIY applications. Designed with a standard hex head for easy installation, they provide a strong, reliable fastening solution across a wide range of environments. Size: 5/16" UNC x 3/4" (Length) Thread Type: UNC (Unified National Coarse) Material: High tensile carbon steel Grade: 8.8 – high strength and load capacity Finish: Zinc plated for improved corrosion resistance Head Type: Hexagon head for spanner or socket use Durability: Suitable for indoor and light outdoor applications Why choose Zinc Plated Hex Bolts? Corrosion Protection: Zinc coating helps resist rust and extends lifespan High Strength: Grade 8.8 steel ensures dependable performance under load Versatile Application: Suitable for construction, automotive, machinery, and general use Easy Installation: Hex head design allows quick and secure tightening Cost-Effective: Strong performance without the premium cost of stainless steel UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Structural and framework fastening Automotive repairs and maintenance Machinery and equipment assembly General engineering and DIY projects

    76 in stock

    £0.25

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 3" Hexagon Bolts, Self Colour Steel 8.8

    48 in stock

    Built for grip, strength, and no-nonsense performance, these 3/8" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 3/8" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    48 in stock

    £0.60

  • 1/2" UNF Hexagon Full Nut, Self Colour Steel - FRANKS FASTENERS LTD

    7/16" UNC Hexagon Full Nut, Self Colour Steel

    198 in stock

    Get dependable fastening performance with this high-quality 7/16" UNC hexagon full nut, designed for strength, ease of use, and versatility across a wide range of applications. Featuring a Unified National Coarse (UNC) thread, this nut is ideal for general-purpose fastening where quick assembly and strong holding power are essential. The standard hexagon shape allows for easy tightening with spanners or sockets, making installation simple and efficient in both professional and DIY environments. Manufactured from robust self colour steel (plain finish), these nuts maintain their natural strength and are well suited for indoor or controlled conditions. Size: 7/16" UNC (Unified National Coarse Thread) Type: Hexagon Full Nut Material: Steel Finish: Self Colour (uncoated/plain) Thread Type: UNC – coarse pitch for quick assembly and reliable grip Drive Type: External Hex (spanner/socket compatible) Ideal for use in: General engineering and construction Machinery and equipment assembly Automotive repairs and maintenance DIY and workshop projects

    198 in stock

    £0.16

  • 1/2" UNF Hexagon Full Nut, Self Colour Steel - FRANKS FASTENERS LTD

    3/8" UNC Hexagon Full Nut, Self Colour Steel

    190 in stock

    Get dependable fastening performance with this high-quality 3/8" UNC hexagon full nut, designed for strength, ease of use, and versatility across a wide range of applications. Featuring a Unified National Coarse (UNC) thread, this nut is ideal for general-purpose fastening where quick assembly and strong holding power are essential. The standard hexagon shape allows for easy tightening with spanners or sockets, making installation simple and efficient in both professional and DIY environments. Manufactured from robust self colour steel (plain finish), these nuts maintain their natural strength and are well suited for indoor or controlled conditions. Size: 3/8" UNC (Unified National Coarse Thread) Type: Hexagon Full Nut Material: Steel Finish: Self Colour (uncoated/plain) Thread Type: UNC – coarse pitch for quick assembly and reliable grip Drive Type: External Hex (spanner/socket compatible) Ideal for use in: General engineering and construction Machinery and equipment assembly Automotive repairs and maintenance DIY and workshop projects

    190 in stock

    £0.13

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    7/16" UNC x 2" Hexagon Bolts, Self Colour Steel 8.8

    133 in stock

    Built for grip, strength, and no-nonsense performance, these 7/16" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 7/16" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    133 in stock

    £0.66

  • 1/2" UNF Hexagon Nylon Locking Nuts - Zinc Plated Steel - FRANKS FASTENERS LTD

    194 in stock

    £0.19

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    5/16" UNC/UNF x 41mm Exhaust Inlet Manifold Stud (23mm/9mm/9mm)

    35 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 5/16" UNC/UNF x 41mm (23mm UNF/9mm/9mm UNC)

    35 in stock

    £0.76

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    5/16" UNC/UNF x 32mm Exhaust Inlet Manifold Stud (12mm/8mm/12mm)

    70 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 5/16" UNC/UNF x 32mm (12mm/8mm/12mm)

    70 in stock

    £0.63

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    93 in stock

    £0.32

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    92 in stock

    £0.44

  • M10 x 55mm Exhaust Inlet Manifold Stud (37mm/6mm/12mm) - FRANKS FASTENERS LTD

    3/8" UNC x 40mm Exhaust Inlet Manifold Stud (22mm/8mm/10mm)

    55 in stock

    Exhaust inlet manifold studs are essential components in automotive engines, playing a crucial role in securing the exhaust manifold to the engine block. These studs are threaded fasteners designed to withstand the extreme conditions found in engine systems, including high temperatures, vibrations, and constant pressure fluctuations. 3/8" UNC x 40mm (22mm/8mm/10mm)

    55 in stock

    £1.10

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 3/4" Hexagon Screws, Self Colour Steel 8.8

    150 in stock

    Built for grip, strength, and no-nonsense performance, these 3/8" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 3/8" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    150 in stock

    £0.25

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 2" Hexagon Bolts, Self Colour Steel 8.8

    141 in stock

    Built for grip, strength, and no-nonsense performance, these 3/8" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 3/8" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    141 in stock

    £0.35

  • 1/2" UNF x 3/4" Hexagon Screws, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 1" Hexagon Screws, Self Colour Steel 8.8

    141 in stock

    Built for grip, strength, and no-nonsense performance, these 3/8" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 3/8" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    141 in stock

    £0.22

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    3/8" UNC x 1 1/2" Hexagon Bolts, Self Colour Steel 8.8

    141 in stock

    Built for grip, strength, and no-nonsense performance, these 3/8" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 3/8" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    141 in stock

    £0.25

  • 3/8" UNC Socket Cap Head Screws - Zinc Plated Steel - FRANKS FASTENERS LTD

    32 in stock

    £1.25 - £93.89

  • 1/2" UNF Hexagon Nylon Locking Nuts - Zinc Plated Steel - FRANKS FASTENERS LTD

    192 in stock

    £0.16

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    1/4" UNC x 2" Hexagon Bolts, Self Colour Steel 8.8

    139 in stock

    Built for grip, strength, and no-nonsense performance, these 1/4" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 1/4" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    139 in stock

    £0.19

  • 1/4" UNC x 1 1/4" Socket Cap Head Screws, Stainless Steel (A4) - FRANKS FASTENERS LTD

    90 in stock

    £0.38

  • 3/8" UNC Wing Nut ASME B18.6.9, Stainless Steel A2 - FRANKS FASTENERS LTD

    1/4" UNC Wing Nut ASME B18.6.9, Stainless Steel A2

    92 in stock

     Corner Measurement (In) [a] 1.1 Threads Per Inch (In)  20 Thread Diameter (In) [d] 0.25 Height (In) [h] 0.57 Outer Diameter (In) [d2] 0.5 Nut Height (In) [m] 0.22 Tighten by hand, no tools, no fuss. This 1/4" UNC Wing Nut is engineered for convenience, durability, and corrosion resistance, making it a reliable choice for both indoor and outdoor applications. Crafted from high-quality A2 stainless steel (304 grade) and manufactured to ASME B18.6.9 standards, it delivers consistent fit, strength, and dependable fastening every time.

    92 in stock

    £0.28

  • 1/4" UNC Socket Cap Head Screws - Zinc Plated Steel - FRANKS FASTENERS LTD

    33 in stock

    £0.73 - £19.26

  • 3/8" UNC Manifold Nuts - Brass - FRANKS FASTENERS LTD

    20 in stock

    £0.34

  • 1/2" UNF Hexagon Nylon Locking Nuts - Zinc Plated Steel - FRANKS FASTENERS LTD

    164 in stock

    £0.06

  • 1/2" UNC Hexagon Nuts, Zinc Plated Steel - FRANKS FASTENERS LTD

    1/4" UNC Hexagon Nuts, Zinc Plated Steel

    90 in stock

    Secure and strengthen your assemblies with our 1/4" UNC Hexagon Nuts, precision-engineered from high-quality Zinc Plated Steel. Designed to pair perfectly with 1/4" UNC (Unified National Coarse) threaded bolts and fasteners, these versatile nuts are ideal for a wide range of construction, automotive, industrial, and DIY applications. Key Features: Size: 1/4 inch UNC (Unified National Coarse) thread Material: Durable Steel with protective Zinc Plating for corrosion resistance Shape: Standard Hexagon (6-sided) for easy wrenching and secure fastening Finish: Bright Zinc Plated – adds both aesthetic appeal and long-lasting protection Standards: Manufactured to industry-standard tolerances for reliable fit and performance Benefits: Provides a strong, secure hold for coarse-threaded applications Zinc plating resists rust and oxidation, extending the life of the nut Compatible with a wide range of UNC bolts, screws, and threaded rod Easy to install and remove using standard spanners or sockets Suitable for indoor and light outdoor use

    90 in stock

    £0.06

  • 1/2" UNF x 3" Hexagon Bolts, Self Colour Steel 8.8 - FRANKS FASTENERS LTD

    1/2" UNC x 3" Hexagon Bolts, Self Colour Steel 8.8

    94 in stock

    Built for grip, strength, and no-nonsense performance, these 1/2" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching. Thread Type: 1/2" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials Head Type: Hexagon – easy to tighten with standard tools Material: High tensile steel Grade: 8.8 – strong, durable, and built for load-bearing applications Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for: Construction and structural work Heavy-duty machinery Automotive applications General engineering and maintenance

    94 in stock

    £1.07

UNC (Unified National Coarse) - FRANKS FASTENERS LTD

Browse our wide range of UNC thread fasteners in the UK, ideal for general-purpose fastening across engineering, construction, and industrial applications. UNC (Unified National Coarse) threads are known for their durability, quick assembly, and excellent performance in softer materials.

Our collection includes UNC bolts, nuts, screws, and washers in a variety of sizes, making it easy to find the right fastener for your project. UNC threads are commonly used in automotive, machinery, and structural applications where strength and ease of installation are essential.

Manufactured to high standards, our UNC threaded fasteners provide reliable performance, consistent fit, and long-lasting durability in demanding environments.

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