BS 3410 Table 9 Washers

BS 3410 Table 9 Washers

Dimensions for Small Light Guage Black Washers to BS 3410 Table 9

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
1/4 9/32 9/16 16 0.064
5/16 11/32 5/8 16 0.064
3/8 13/32 3/4 16 0.064
7/16 15/32 7/8 16 0.064
1/2 17/32 1 16 0.064
9/16 19/32 1 1/8 14 0.080
5/8 21/32 1 1/4 14 0.080
3/4 25/32 1 1/2 14 0.080
7/8 29/32 1 5/8 14 0.080
1 1 1/32 1 7/8 14 0.080
1 1/8 1 5/32 2 1/8 14 0.080
1 1/4 1 9/32 2 3/8 14 0.080
1 3/8 1 13/32 2 5/8 14 0.080
1 1/2 1 17/32 2 7/8 14 0.080