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Form B

We supply Form B Washers in the following materials,

Mild Steel, Zinc A2 & A4 Stainless Steel Brass

Washers can also be specially manufactured in any material

Dimensions for Form B Washers



Bolt Size Inside Diameter Outside Diameter Thickness
M5 5.3mm 10mm 0.8mm
M6 6. 4mm 12.5mm 0.8mm
M8 8.4mm 17mm 1.0mm
M10 10.5mm 21mm 1.25mm
M12 13mm 24mm 1.25mm
M14 15mm 28mm 1.6mm
M16 17mm 30mm 2.0mm
M18 19mm 34mm 2.0mm
M20 21mm 37mm 2.0mm
M22 23mm 39mm 2.0mm
M24 25mm 44mm 2.5mm
M27 28mm 50mm 2.5mm
M30 31mm 56mm 2.5mm
M33 34mm 60mm 3.0mm
M36 37mm 66mm 3.0mm
M39 40mm 72mm 3.0mm