Dimensions of Type B Plain Washers
Dimensions of Type B Plain Washers |
Normal Washer Size (1) |
Series |
A |
B |
C |
Inside Diameter |
Outside Diameter |
Thickness |
Basic |
Tolerance |
Basic |
Tolerance |
Plus |
Minus |
Plus |
Minus |
Basic |
Plus |
Minus |
1/4 (0.250) |
Narrow |
0.281 |
0.015 |
0.005 |
0.500 |
0.015 |
0.005 |
0.063 |
0.071 |
0.056 |
Regular |
0.281 |
0.015 |
0.005 |
0.734 (2) |
0.015 |
0.007 |
0.063 |
0.071 |
0.056 |
Wide |
0.281 |
0.015 |
0.005 |
1.000 |
0.015 |
0.007 |
0.063 |
0.071 |
0.056 |
3/8 (0.375) |
Narrow |
0.406 |
0.015 |
0.005 |
0.734 (2) |
0.015 |
0.007 |
0.063 |
0.071 |
0.056 |
Regular |
0.406 |
0.015 |
0.005 |
1.000 |
0.015 |
0.007 |
0.063 |
0.071 |
0.056 |
Wide |
0.406 |
0.015 |
0.005 |
1.250 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
1/2 (0.500) |
Narrow |
0.531 |
0.015 |
0.005 |
1.000 |
0.015 |
0.007 |
0.063 |
0.071 |
0.056 |
Regular |
0.531 |
0.015 |
0.005 |
1.250 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Wide |
0.531 |
0.015 |
0.005 |
1.750 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
5/8 (0.625) |
Narrow |
0.656 |
0.030 |
0.007 |
1.250 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Regular |
0.656 |
0.030 |
0.007 |
1.750 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Wide |
0.656 |
0.030 |
0.007 |
2.250 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
3/4 (0.750) |
Narrow |
0.812 |
0.030 |
0.007 |
1.375 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Regular |
0.812 |
0.030 |
0.007 |
2.000 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Wide |
0.812 |
0.030 |
0.007 |
2.500 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
7/8 (0.875) |
Narrow |
0.938 |
0.030 |
0.007 |
1.469 (2) |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Regular |
0.938 |
0.030 |
0.007 |
2.250 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Wide |
0.938 |
0.030 |
0.007 |
2.750 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
1 (1.000) |
Narrow |
1.062 |
0.030 |
0.007 |
1.750 |
0.030 |
0.007 |
0.100 |
0.122 |
0.090 |
Regular |
1.062 |
0.030 |
0.007 |
2.500 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Wide |
1.062 |
0.030 |
0.007 |
3.000 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
1-1/8 (1.125) |
Narrow |
1.188 |
0.030 |
0.007 |
2.000 |
0.030 |
0.007 |
0.100 |
0.112 |
0.090 |
Regular |
1.188 |
0.030 |
0.007 |
2.750 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Wide |
1.188 |
0.030 |
0.007 |
3.250 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
1-1/4 (1.250) |
Narrow |
1.312 |
0.030 |
0.007 |
2.250 |
0.303 |
0.007 |
0.160 |
0.174 |
0.146 |
Regular |
1.312 |
0.030 |
0.007 |
3.000 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Wide |
1.312 |
0.045 |
0.010 |
3.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
1-3/8 (1.375) |
Narrow |
1.438 |
0.030 |
0.007 |
2.500 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Regular |
1.438 |
0.030 |
0.007 |
3.250 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Wide |
1.438 |
0.045 |
0.010 |
3.750 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
1-1/2 (1.500) |
Narrow |
1.562 |
0.303 |
0.007 |
2.750 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Regular |
1.562 |
0.045 |
0.010 |
3.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
1.562 |
0.045 |
0.010 |
4.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
1-5/8 (1.625) |
Narrow |
1.750 |
0.303 |
0.007 |
3.000 |
0.030 |
0.007 |
0.160 |
0.174 |
0.146 |
Regular |
1.750 |
0.045 |
0.010 |
3.750 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
1.750 |
0.045 |
0.010 |
4.250 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
1-3/4 (1.750) |
Narrow |
1.875 |
0.300 |
0.007 |
3.250 |
0.303 |
0.007 |
0.160 |
0.174 |
0.146 |
Regular |
1.875 |
0.045 |
0.010 |
4.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
1.875 |
0.045 |
0.010 |
4.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
1-7/8 (1.875) |
Narrow |
2.000 |
0.045 |
0.010 |
3.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Regular |
2.000 |
0.045 |
0.010 |
4.250 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
2.000 |
0.045 |
0.010 |
4.750 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
2 (2.000) |
Narrow |
2.125 |
0.045 |
0.010 |
3.750 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Regular |
2.125 |
0.045 |
0.010 |
4.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
2.125 |
0.045 |
0.010 |
5.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
2-1/4 (2.250) |
Narrow |
2.375 |
0.045 |
0.010 |
4.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Regular |
2.375 |
0.045 |
0.010 |
5.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Wide |
2.375 |
0.065 |
0.010 |
5.500 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
2-1/2 (2.500) |
Narrow |
2.625 |
0.045 |
0.010 |
4.500 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Regular |
2.625 |
0.065 |
0.010 |
5.500 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
Wide |
2.620 |
0.065 |
0.010 |
6.000 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
2-3/4 (2.750) |
Narrow |
2.875 |
0.045 |
0.010 |
5.000 |
0.045 |
0.010 |
0.250 |
0.266 |
0.234 |
Regular |
2.875 |
0.065 |
0.010 |
6.000 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
Wide |
2.875 |
0.065 |
0.010 |
6.500 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
3 (3.000) |
Narrow |
3.125 |
0.065 |
0.010 |
5.500 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
Regular |
3.125 |
0.065 |
0.010 |
6.500 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |
Wide |
3.125 |
0.065 |
0.010 |
7.000 |
0.065 |
0.010 |
0.375 |
0.393 |
0.357 |