Dimensions for Large Diameter Bright Washers to BS 3410 Table 4

Dimensions for Large Diameter Bright Washers to BS 3410 Table 4

Nominal
size of Bolts
or screw
Diameter of hole
A
Outside diameter
B
Thickness1
C
max.min.max.min.Heavy gaugeLight gauge
InchInchS.W.G.InchS.W.G.Inch
1/40.2700.2650.6250.620170.056190.040
5/160.3330.3280.7500.745150.072180.048
3/80.3950.3900.8750.870150.072180.048
7/160.4580.4531.0000.995130.092170.056
1/20.5200.5151.1251.115130.092170.056
9/160.5930.5881.2501.240120.104170.056
5/80.6560.6511.5001.490110.116150.072
3/40.7810.7761.6251.615100.128150.072
7/80.9060.9011.8751.86590.144150.072
11.0311.0262.1252.11580.160130.092
1 1/81.1561.1512.3752.35570.176120.104
1 1/41.2811.2762.6252.60570.176110.116
1 3/81.4061.4012.8752.85560.192100.128
1 1/21.5311.5263.3753.34560.192100.128
1 3/41.7811.7763.6253.59550.212100.128
22.0312.0264.1254.09550.212100.128