Lock Washers Internal External Tooth

Inch

Also Available in Metric
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Part Desc. Washer SizeMaterialFinish
General
Nominal
Washer
Size
T
Thickness
A
Inside
Diameter
B
Outside
Diameter
4 - .112 .021 / .016
.021 / .017
.021 / .017
.123 / .115 .475 / .460
.510 / .495
.610 / .580
6 - .138 .028 / .023
.028 / .023
.028 / .023
.150 / .141 .510 / .495
.610 / .580
.690 / .670
8 - .164 .034 / .028
.034 / .028
.034 / .028
.176 / .168 .610 / .580
.690 / .670
.760 / .740
10 - .190 .034 / .028
.040 / .032
.040 / .032
.040 / .032
.204 / .195 .610 / .580
.690 / .670
.760 / .740
.900 / .880
12 - .216 .040 / .032
.040 / .032
.040 / .032
.045 / .037
.231 / .221 .690 / .670
.760 / .725
.900 / .880
.985 / .965
1/4 - .250 .040 / .032
.040 / .032
.045 / .037
.045 / .037
.267 / .256 .760 / .725
.900 / .880
.985 / .965
1.070 / 1.045