Internal External Tooth Star Washers

Standard ANSI Hardware
Manufacturing Processes | Applications and Design

Notes:

Size Designation
Type 1 & 2
A
B
C
Max.
Min.
Max.
Min.
Max.
Min.
4
.123
.115
.475
.510
.610
.460
.495
.580
.021
.021
.021
.016
.017
.017
6
.150
.141
.510
.610
.690
.495
.580
.670

.028
.028
.028

.023
.023
.023
8
.176
.168
.610
.690
.760
.580
.670
.740
.034
.034
.034
.028
.028
.028
10
.204
.195
.610
.690
.760
.900
.580
.670
.740
.880
.034
.040
.040
.040
.028
.032
.032
.032
12
.231
.221
.690
.760
.900
.985
.670
.725
.880
.965
.040
.040
.040
.045
.032
.032
.032
.037
1 / 4
.267
.256
.760
.900
.985
1.070
.725
.880
.965
1.045
.040
.045
.045
.045
.032
.037
.037
.037
5 / 16
.332
.320
.900
.985
1.070
1.155
.865
.965
1.045
1.130

040
.045
.050
.050

.032
.037
.042
.042
3 / 8
.398
.384
.985
1.070
1.070
1.260
.965
1.045
1.130
1.220
.045
.050
.050
.050
.037
.042
.042
.042
7 / 16
.464
.448

1.070
1.155
1.260
1.315

1.045
1.130
1.220
1.290
.050
.050
.055
.055
.042
.042
.047
.047
1 / 2
.530
.512
1.260
1.315
1.410
1.620
1.220
1.290
1.380
1.590
.055
.055
.060
.067
.047
.047
.052
.059
9 / 16
.596
.576
1.315
1.430
1.620
1.830
1.290
1.380
1.590
1.797
.055
.060
.067
.067
.047
.052
.059
.059
5 / 8
.663
.640
1.410
1.620
1.830
1.975
1.380
1.590
1.797
1.935
.060
.067
.067
.067
.058
.059
.059
.059

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