ASME B18.21.1 Heavy Internal Tooth Lock Washers

ASME B18.21.1 Heavy Internal Tooth Lock Washers

Dimensions of ASME B18.21.1 Heavy Internal Tooth Lock Washers

Nominal Washers Size Inside Diameter, A Outside Diameter, B Thickness, C
Max Min Max Min Max Min
1/4 0.267 0.256 0.536 0.500 0.045 0.035
5/16 0.332 0.320 0.607 0.590 0.050 0.040
3/8 0.398 0.384 0.748 0.700 0.050 0.042
7/16 0.464 0.448 0.858 0.800 0.067 0.050
1/2 0.530 0.512 0.924 0.880 0.067 0.055
9/16 0.596 0.576 1.034 0.990 0.067 0.055
5/8 0.663 0.640 1.135 1.100 0.067 0.059
3/4 0.795 0.768 1.265 1.240 0.084 0.070
7/8 0.927 0.894 1.447 1.400 0.084 0.075

Notes : Dimensions are in inches.