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ASME B18.5 114-deg Countersunk Square Neck Bolts
Dimensions of 114-deg Countersunk Square Neck Bolts (Inch) |
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Nominal Size or Basic Bolt Diameter [Note (1)] |
Body Diameter, E
|
Head Diameter, A
|
Maximum Flat on Head, F
|
Head Height, H
|
Square Width,O
|
Square Depth,P
|
Maximum Corner Radius on Square,Q |
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Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
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No.10 |
0.19 |
0.199 |
0.182 |
0.548 |
0.5 |
0.015 |
0.131 |
0.112 |
0.199 |
0.185 |
0.125 |
0.094 |
0.031 |
1/4 |
0.25 |
0.26 |
0.237 |
0.682 |
0.625 |
0.018 |
0.154 |
0.135 |
0.26 |
0.245 |
0.156 |
0.125 |
0.031 |
5/16 |
0.3125 |
0.324 |
0.298 |
0.821 |
0.75 |
0.023 |
0.184 |
0.159 |
0.324 |
0.307 |
0.219 |
0.188 |
0.031 |
3/8 |
0.375 |
0.388 |
0.36 |
0.96 |
0.875 |
0.027 |
0.212 |
0.183 |
0.388 |
0.368 |
0.25 |
0.219 |
0.047 |
7/16 |
0.4375 |
0.452 |
0.421 |
1.093 |
1 |
0.03 |
0.235 |
0.205 |
0.452 |
0.431 |
0.281 |
0.25 |
0.047 |
1/2 |
0.5 |
0.515 |
0.483 |
1.233 |
1.125 |
0.035 |
0.265 |
0.229 |
0.515 |
0.492 |
0.312 |
0.281 |
0.047 |
5/8 |
0.625 |
0.642 |
0.605 |
1.495 |
1.375 |
0.038 |
0.316 |
0.272 |
0.642 |
0.616 |
0.406 |
0.375 |
0.078 |
3/4 |
0.75 |
0.768 |
0.729 |
1.754 |
1.625 |
0.041 |
0.368 |
0.314 |
0.768 |
0.741 |
0.5 |
0.469 |
0.078 |
GENERAL NOTE: For additional requirements, refer to section 2, General Data.
NOTES:
(1) Where specifying nominal size in decimals, zeros preceding decimal and in the four th decimal place shall be omitted..
NOTES:
(1) Where specifying nominal size in decimals, zeros preceding decimal and in the four th decimal place shall be omitted..
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