Dimensions for Round Washers with Square Holes to BS 3410

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.
3/87/161 1/4110.116
1/29/161 1/2100.128
5/811/16290.144
3/413/162 1/480.160
7/815/162 5/850.212
11 1/16350.212