Form A Flat Washer

Flat Washer Form A (DIN 125A) is a type of washer that conforms to the DIN 125A standard. The purpose of a washer is to provide a smooth surface for the nut or bolt to bear on, making it less likely to loosen due to an uneven fastening surface.

Frank's Fasteners provides Flat Washers in A2/304 Stainless Steel, A4/316 Stainless Steel, Brass, Zinc Plated Steel, Nylon 6.6 Polyamide, Aluminium, Steel.

Additional material and finishes can be sourced, don't hesitate to get in touch with us with your enquiry. 

DIN 125A Form A Flat Washer

Bolt Size Inside Diameter Outside Diameter Thickness
M1 1.1mm 3.2mm 0.3mm
M1.2 1.3mm 3.8mm 0.3mm
M1.4 1.5mm 3.8mm 0.3mm
M1.6 1.7mm 4.0mm 0.3mm
M2 2.2mm 5.0mm 0.3mm
M2.5 2.7mm 6.0mm 0.5mm
M3 3.2mm 7.0mm 0.5mm
M3.5 3.7mm 8.0mm 0.5mm
M4 4.3mm 9.0mm 0.8mm
M5 5.3mm 10mm 1.0mm
M6 6.4mm 12mm 1.6mm
M7 7.4mm 14mm 1.6mm
M8 8.4mm 16mm 1.6mm
M10 10.5mm 20mm 2.0mm
M11 12.0mm 24mm 2.5mm
M12 13mm 24mm 2.5mm
M14 15mm 28mm 2.5mm
M16 17mm 30mm 3.0mm
M18 19mm 34mm 3.0mm
M20 21mm 37mm 3.0mm
M22 23mm 39mm 3.0mm
M24 25mm 44mm 4.0mm
M27 28mm 50mm 4.0mm
M30 31mm 56mm 4.0mm
M33 34mm 60mm 5.0mm
M36 37mm 66mm 5.0mm
M39 40mm 72mm 6.0mm
M42 43mm 78mm 7.0mm
M45 46mm 85mm 7.0mm
M48 50mm 92mm 8.0mm
M52 54mm 98mm 8.0mm
M56 58mm 105mm 9.0mm
M60 62mm 110mm 9.0mm
M64 66mm 115mm 9.0mm

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