4mm

Round Bar, also known as Metal Rod, is a versatile material with applications across a wide range of industries, including manufacturing, engineering, and construction.  This particular Round Bar is made from CZ121 Brass, which is known for its excellent corrosion resistance and superior conductivity of heat and electricity. CZ121 Brass is commonly used for machining and turning parts.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Left Hand  Screw Thread Pitch 0.7mm Nut Thickness (M) 3.2mm Nut Width A/F (S) 7mm   M4 (Left Hand Thread) Hexagon Nuts are designed with a reverse thread for specific applications where left-hand threaded fasteners are required. Made from A2 stainless steel, these nuts provide excellent corrosion resistance, making them suitable for both indoor and outdoor use. Conforming to the DIN 934 standard, they offer durability, precision, and reliability in demanding environments, and are ideal for use in specialized machinery or systems requiring left-hand threaded components.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 917 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Length (T) 4.4mm Nut Width A/F (J) 7mm Total Length (L) 5.5mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 917 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Length (T) 4.4mm Nut Width A/F (J) 7mm Total Length (L) 5.5mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 917 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Length (T) 4.4mm Nut Width A/F (J) 7mm Total Length (L) 5.5mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 914 Screw Thread Pitch 0.7mm Thread M4 (4mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 2mm Socket Head Depth [Min] (P) 1.5mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 916 Screw Thread Pitch 0.7mm Thread M4 (4mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 2mm (2.02mm-2.08mm) Cup Diameter (D) 1.75mm-2mm Socket Head Depth [Min] (P) 1.5mm   See a problem with this specification? Let us know.

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A surface cup finishing washer, often referred to as a "cup washer" or "finishing washer," is a type of washer used in fastening applications to provide both functional and aesthetic benefits.  These washers have a distinct cup-like or conical shape, with the central hole designed to accommodate the head of a screw or bolt. The concave design helps to encase the screw head, providing a more finished and professional appearance.

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Material High Tensile Steel (10.9) Finish Self Colour Manufacturing Standard ISO 7380-2 Screw Thread Pitch 0.7mm Thread M4 (4mm), Right Hand Thread For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 913 Screw Thread Pitch 0.7mm Thread M4 (4mm), Right Hand Thread Socket Head Across Flats / Allen Key Size (J) 2mm Socket Head Depth [Min] (P) 1.5mm   See a problem with this specification? Let us know.

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Material Plastic Polyamide Nylon 6.6 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   See a problem with this specification? Let us know.

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Material Brass Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   See a problem with this specification? Let us know.

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Material Steel Finish Zinc Plated Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm  

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Material Steel Finish Zinc Plated Yellow Passivated Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   See a problem with this specification? Let us know.

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Material Aluminium Finish Natural Manufacturing Standard DIN 125 - Form A For Use With Thread Size M4 (4mm) Internal Diameter (ID) 4.3mm External Diameter (OD) 9mm External Diameter (OD) Tolerance +0/-0.36mm Thickness (T) 0.9mm Thickness (T) Tolerance +0/-0.2mm   Ensure a secure and corrosion-resistant fastening with our M4 Form A Flat Washers made from high-quality Aluminium. Designed to DIN 125 standards, these flat washers provide an even load distribution under the head of a bolt or screw, preventing surface damage and enhancing joint integrity. Ideal for lightweight applications, the aluminium construction offers excellent resistance to rust, making them perfect for use in damp or outdoor environments. These 4.3mm internal diameter washers are commonly used in electrical, automotive, marine, and general engineering industries where non-magnetic and lightweight properties are essential.

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Thread Size M4 (4mm) Thread Pitch 0.7mm Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 1587 Socket Size (J) 7mm  Nut Thickness (T) 3.2mm Overall Thickness (L) 8mm   The M4 Hexagon Domed Cap Nut (DIN 1587) in Black Stainless Steel (A2) is a speciality fastener designed for applications requiring a secure, enclosed finish. This type of nut features a hexagonal base and a dome-shaped top that conceals the end of the threaded bolt or screw, providing a smooth finish for safety, aesthetic appeal, and protection against damage or dirt. The A2 stainless steel material ensures corrosion resistance, making it suitable for indoor and outdoor use, while the black coating offers a distinctive look for decorative or practical applications. It's ideal for automotive, architectural, or machinery settings where durability and appearance matter.

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Thread Size M4 (4mm) Thread Pitch 0.7mm Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 1587 Socket Size (J) 7mm  Nut Thickness (T) 3.2mm Overall Thickness (L) 8mm   The M4 Hexagon Domed Cap Nut (DIN 1587) in Stainless Steel (A2) is a speciality fastener designed for applications requiring a secure, enclosed finish. This type of nut features a hexagonal base and a dome-shaped top that conceals the end of the threaded bolt or screw, providing a smooth finish for safety, aesthetic appeal, and protection against damage or dirt. The A2 stainless steel material ensures corrosion resistance, making it suitable for indoor and outdoor use, while the black coating offers a distinctive look for decorative or practical applications. It's ideal for automotive, architectural, or machinery settings where durability and appearance matter.

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Enhance both the safety and appearance of your fastenings with our M4 Hexagon Domed Cap Nut DIN 1587 in solid CU2/CU3 brass. Also known as an acorn nut, this closed-end design neatly covers exposed threads, preventing damage while delivering a smooth, polished finish. Manufactured to DIN 1587 standards, this M4 cap nut ensures consistent sizing, reliable performance, and a professional look across a wide range of applications.

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This type of nut has a flange incorporated into its design. The flange serves as a built-in washer, providing a larger surface area for distributing load and enhancing stability. The hexagon shape allows for easy tightening using a wrench or socket.

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M4 Hexagon Nuts are small hexagonal nuts with an M4 thread size, conforming to the DIN 934 standard, and made from Stainless Steel grade A2, which is commonly used for general-purpose applications where corrosion resistance is required. These nuts are typically used with M4 screws or bolts, and they have a hexagonal shape, which allows for easy tightening and loosening using a wrench or a socket tool.   Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm   For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Material Plastic Polyamide Nylon 6.6 Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm   See a problem with this specification? Let us know.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Screw Thread Pitch 0.7mm Nut Thickness (M) 3.2mm Nut Width A/F (S) 7mm   M4 Hexagon Nuts are small hexagonal nuts with an M4 thread size, conforming to the DIN 934 standard, and made from Stainless Steel grade A2, which is commonly used for general-purpose applications where corrosion resistance is required. These nuts are typically used with M4 screws or bolts, and they have a hexagonal shape, which allows for easy tightening and loosening using a wrench or a socket tool.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm   See a problem with this specification? Let us know.

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A hexagon nut, often referred to as a hex nut, is a type of fastener with six flat sides and is designed to be used with a bolt or threaded rod to secure objects together. Zinc Plated Steel means that the hexagon nuts are made of steel and have been coated or plated with a layer of zinc. Zinc plating provides corrosion resistance to the nuts and helps prevent them from rusting when exposed to moisture or environmental factors. It also gives them a shiny silver appearance.These hexagon nuts are commonly used in a wide range of applications, including construction, machinery, automotive, and various other industries where fastening and securing components are required. The DIN 934 standard ensures that these nuts meet specific size, thread pitch, and quality requirements, making them reliable and compatible with other standard fasteners.   Material Steel - Grade 8 Finish Zinc Plated Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm   For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Material Brass Finish Natural Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm  

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A hexagon nut, often referred to as a hex nut, is a type of fastener with six flat sides and is designed to be used with a bolt or threaded rod to secure objects together. Zinc Plated Steel means that the hexagon nuts are made of steel and have been coated or plated with a layer of zinc. Zinc plating provides corrosion resistance to the nuts and helps prevent them from rusting when exposed to moisture or environmental factors. It also gives them a shiny silver appearance.Yellow passivation is an additional chemical process applied to the zinc-plated surface. It adds a yellowish or iridescent tint to the zinc coating. The passivation process enhances the corrosion resistance of the zinc-plated layer and provides additional protection against oxidation and environmental factors.Components with a "Zinc Plated Yellow Passivated" finish are often used in applications where both corrosion resistance and aesthetic appearance are important. The yellow tint gives a distinctive look to the components, and the combination of zinc plating and passivation ensures their longevity in various environments. Material Steel - Grade 8 Finish Zinc Plated Yellow Passivated Manufacturing Standard DIN 934 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Nut Thickness (T) 3.2mm Nut Thickness (T) Tolerance +0/-0.3mm Nut Width A/F (J) 7mm Nut Width A/F (J) Tolerance +0/-0.22mm   For larger quantities or sizes not listed, please email frank@franksfasteners.co.uk and we will be happy to provide you with a quotation.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 985 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Insert Material Nylon Nut Width A/F (S) [Max] 7mm Hexagon Height (H) [Min] 2.9mm   The M4 Hexagon Nylon Locking Nuts (DIN 985) in Stainless Steel (A2) are designed for securing fasteners in small-scale applications where durability and vibration resistance are crucial. Featuring a nylon insert, these nuts prevent loosening, even in environments with frequent movement or vibrations. Made from A2 stainless steel, they offer excellent corrosion resistance and long-lasting performance. Compliant with DIN 985 standards, these locking nuts are perfect for use in electronics, engineering, and precision instruments, providing reliable fastening solutions in harsh conditions.

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Material Stainless Steel (A4) Finish Natural Manufacturing Standard DIN 985 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Insert Material Nylon Nut Width A/F (S) [Max] 7mm Hexagon Height (H) [Min] 2.9mm   The M4 Hexagon Nylon Locking Nuts (DIN 985) are precision-engineered fasteners made from A4 stainless steel, offering superior corrosion resistance, especially in marine and harsh environments. The integrated nylon insert prevents loosening due to vibration, ensuring a secure and reliable fit. These nuts are compliant with DIN 985 standards, making them ideal for use in industries like automotive, engineering, and construction where durability and strength are essential.

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Material Steel Finish Zinc Plated Manufacturing Standard DIN 985 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Insert Material Nylon Nut Width A/F (S) [Max] 7mm Hexagon Height (H) [Min] 2.9mm   The M4 Nyloc Nut Type T (Thin) is a locking nut with a slim profile, designed for applications where space is limited. Manufactured from Grade 6 steel and finished with bright zinc plating, it provides good corrosion resistance and durability. The nylon insert helps prevent loosening from vibration, ensuring a secure fit. Compliant with DIN 985 standards, this thin Nyloc nut is perfect for a wide range of applications, including automotive, machinery, and engineering projects.

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Material Stainless Steel (A2) Finish CB10 Manufacturing Standard DIN 985 For Use With Thread Size M4 (4mm), Right Hand Thread Screw Thread Pitch 0.7mm Insert Material Nylon Nut Width A/F (S) [Max] 7mm Hexagon Height (H) [Min] 2.9mm   The M4 Hexagon Nylon Locking Nuts (DIN 985) in Black Stainless Steel (A2) offer excellent strength and corrosion resistance, with a sleek black finish for added aesthetic appeal. These nuts feature a nylon insert that securely grips the bolt, preventing loosening due to vibrations. Compliant with DIN 985 standards, they are ideal for a wide range of applications, from automotive and industrial machinery to construction projects. The black A2 stainless steel enhances both durability and visual appeal, making them a premium choice for demanding environments.

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Material Stainless Steel (A2) Finish Natural Manufacturing Standard DIN 6798 A For Use With Thread Size M4 (4mm) Internal Diameter (D1) 4.3mm External Diameter (D2) 8mm Thickness (H) 1.5mm   M4 Serrated Lock Washer with External Teeth (DIN 6798 A) - Stainless Steel (A2), providing enhanced grip and corrosion resistance. It is ideal for applications requiring secure fastening with anti-vibration properties.

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