BS 3410 Table 10 Washers

BS 3410 Table 10 Washers

Dimensions for Round Washers with Square Holes to BS 3410

Nominal size
of Bolts
Diameter of hole A
Tolerance + 1/32 in
Outside diameter
B
Thickness C
Tolerance + 1 gauge
inch. S.W.G. inch.
3/8 7/16 1 1/4 11 0.116
1/2 9/16 1 1/2 10 0.128
5/8 11/16 2 9 0.144
3/4 13/16 2 1/4 8 0.160
7/8 15/16 2 5/8 5 0.212
1 1 1/16 3 5 0.212