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Washers Forms A B C D

SKU: WSR29 Category:

Washer forms run from A to F, where the form type refers to the outside diameter and thickness of the flat washers.

BS4320 washer forms A to D are typically supplied self-finish in a range of metals including steel alloys, brass and copper.

Form A washers: Normal diameter, normal thickness
Form B washers: Normal diameter, light thickness
Form C washers: Large diameter, normal thickness
Form D washers: Large diameter, light thickness

Available from stock with specials made to order.

We also supply washer forms E & F.

SIZE FORM A FORM B FORM C FORM D
OUTSIDE DIA THICKNESS OUTSIDE DIA THICKNESS OUTSIDE DIA THICKNESS OUTSIDE DIA THICKNESS
M2 5.0 0.3
M2.5 6.5 0.5
M3 7.0 0.5
M4 9.0 0.8 10.0 0.8
M5 10.0 1.0 12.5 0.8 12.5 1.0
M6 12.5 1.6 12.5 0.8 14 1.6 14 0.8
M8 17 1.6 17 1.0 21 1.6 21 1.0
M10 21 2.0 21 1.25 24 2.0 24 1.25
M12 24 2.5 24 1.6 28 2.5 28 1.6
M14 28 2.5 28 1.6 30 2.5 30 1.6
M16 30 3.0 30 2.0 34 3.0 34 2.0
M18 34 3.0 34 2.0 37 3.0 37 2.0
M20 37 3.0 37 2.0 39 3.0 39 2.0
M22 39 3.0 39 2.0
M24 44 4.0 44 2.5 50 4.0 50 2.5
M27 50 4.0 50 2.5
M30 56 4.0 56 2.5
M33 60 5.0 60 3.0
M36 66 5.0 66 3.0
M39 72 6.0 72 3.0