asme-b18-21-1-internal-external-tooth-lock-washers

Dimensions of ASME B18.21. 1 Internal External Tooth Lock Washers

Nominal Washers SizeInside Diameter, AOutside Diameter, BThickness, C
MaxMinMaxMinMaxMin
40.1230.1150.475
0.510
0.610
0.460
0.495
0.580
0.021
0.021
0.021
0.016
0.017
0.017
60.1500.1410.510
0.610
0.690
0.495
0.580
0.670
0.028
0.028
0.028
0.023
0.023
0.023
80.1760.1680.610
0.690
0.760
0.580
0.670
0.740
0.034
0.034
0.034
0.028
0.028
0.028
100.2040.1950.610
0.690
0.760
0.900
0.580
0.670
0.740
0.880
0.034
0.040
0.040
0.040
0.028
0.032
0.032
0.032
120.2310.2210.690
0.760
0.900
0.985
0.670
0.725
0.880
0.965
0.040
0.040
0.040
0.045
0.032
0.032
0.032
0.037
1/40.2670.2560.760
0.900
0.985
1.070
0.725
0.880
0.965
1.045
0.040
0.040
0.045
0.045
0.032
0.032
0.037
0.037
5/160.3320.3200.900
0.985
1.070
1.155
0.865
0.965
1.045
1.130
0.040
0.045
0.050
0.050
0.032
0.037
0.042
0.042
3/80.3980.3840.985
1.070
1.155
1.260
0.965
1.045
1.130
1.220
0.050
0.050
0.055
0.055
0.037
0.042
0.042
0.042
7/160.4640.4481.070
1.155
1.260
1.315
1.045
1.130
1.220
1.290
0.055
0.055
0.060
0.067
0.042
0.042
0.047
0.047
1/20.5300.5121.260
1.315
1.410
1.620
1.220
1.290
1.380
1.590
0.055
0.055
0.060
0.067
0.047
0.047
0.052
0.059
3/160.5960.5761.315
1.430
1.620
1.830
1.290
1.380
1.590
1.767
0.055
0.060
0.067
0.067
0.047
0.052
0.059
0.059
5/80.6630.6401.410
1.620
1.830
1.975
1.380
1.590
1.797
1.935
0.060
0.067
0.067
0.067
0.052
0.059
0.059
0.059

Notes : Dimensions are in inches.