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Description:
The smallest type of flat washer with an outside diameter equal to slightly twice the size of the inside diameter.
Advantages:
Designed for use with machine screws in general industrial applications.
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Machine Screw Washers

MACHINE SCREW WASHERS |
Washer Size |
Inside Diameter |
Outside Diameter |
Thickness |
Max |
Min |
Max |
Min |
Max |
Min |
# 2 |
0.097 |
0.087 |
0.224 |
0.214 |
0.022 |
0.014 |
# 3 |
0.114 |
0.104 |
0.255 |
0.245 |
0.023 |
0.018 |
# 4 |
0.130 |
0.120 |
0.286 |
0.276 |
0.030 |
0.022 |
# 5 |
0.145 |
0.135 |
0.286 |
0.276 |
0.030 |
0.022 |
# 6 |
0.155 |
0.145 |
0.380 |
0.370 |
0.036 |
0.028 |
# 8 |
0.175 |
0.165 |
0.380 |
0.370 |
0.036 |
0.028 |
# 10 |
0.209 |
0.199 |
0.443 |
0.433 |
0.036 |
0.028 |
# 12 |
0.232 |
0.222 |
0.505 |
0.495 |
0.052 |
0.044 |
1/4 |
0.270 |
0.260 |
0.567 |
0.557 |
0.052 |
0.044 |
5/16 |
0.335 |
0.325 |
0.630 |
0.620 |
0.054 |
0.046 |
3/8 |
0.397 |
0.387 |
0.693 |
0.683 |
0.054 |
0.046 |
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Email: 
sales@fastenerz.com
Credit Accepted:
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