asme-b18-21-1-heavy-helical-spring-lock-washers

Dimensions of High Collar Helical Spring Lock Washers

Nominal Washers SizeInside Diameter, AOutside Diameter, B, MaxMean Section Thickness (t1 + t2)/2, T, MinSection Width, W, MinBearing Width, BW, Min
MaxMin
40.1200.1140.1730.0220.0220.015
50.1330.1270.2020.0300.0300.021
60.1480.1410.2160.0300.0300.021
80.1740.1670.2670.0470.0420.029
100.2000.1930.2940.0470.0420.029
1/40.2600.2520.3630.0780.0470.033
5/160.3220.3140.4570.0930.0620.043
3/80.3850.3770.5500.1250.0760.053
7/160.4500.4400.6440.1400.0900.063
1/20.5120.5020.7330.1720.1030.072
5/80.6410.6280.9170.2030.1250.087
3/40.7660.7531.1050.2180.1540.108
7/80.8940.8781.2910.2340.1820.127
11.0241.0031.4780.2500.2080.146
1 1/81.1531.1291.6630.3130.2360.165
1 1/41.2801.2541.7900.3130.2360.165
1 3/81.4081.3792.0310.3750.2920.204
1 1/21.5341.5042.1590.3750.2920.204
1 3/41.7891.7582.5960.4690.3830.268
22.0392.0082.8460.46903830.268
2 1/42.2932.2623.3450.5080.5080.356
2 1/22.5432.5123.5950.5080.5080.356
2 3/42.7932.7624.0950.6330.6330.443
33.0433.0124.34506330.6330.443

Notes : Dimensions are in inches.