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SQUARE MACHINE BOLTS
Used to fasten pole-line hardware and various line construction products to crossarm poles and other structures as well as attaching the wooden crossarms to a pole.
SQ MACHINE BOLT SPECIFICATIONS
Bolt Diameter | Body Diameter | Width Across Flats | Width Across Flats | Width Across Flats | Width Across Corners | Width Across Corcners | Height | Height | Height | |
Max | Basic | Max | Min | Max | Min | Basic | Max | Min | ||
1⁄2 | 0.515 | 3⁄4 | 0.75 | 0.725 | 1.061 | 0.995 | 21⁄64 | 0.348 | 0.308 | |
5⁄8 | 0.642 | 15⁄16 | 0.938 | 0.906 | 1.326 | 1.244 | 27⁄64 | 0.444 | 0.4 | |
3⁄4 | 0.768 | 11⁄8 | 1.125 | 1.088 | 1.591 | 1.494 | 1⁄2 | 0.524 | 0.476 | |
7⁄8 | 0.895 | 15⁄16 | 1.312 | 1.269 | 1.856 | 1.742 | 19⁄32 | 0.62 | 0.568 | |
1 | 1.022 | 11⁄2 | 1.5 | 1.45 | 2.121 | 1.991 | 21⁄32 | 0.684 | 0.628 | |
11⁄8 | 1.149 | 111⁄16 | 1.688 | 1.631 | 2.386 | 2.239 | 3⁄4 | 0.78 | 0.72 | |
11⁄4 | 1.277 | 17⁄8 | 1.875 | 1.812 | 2.652 | 2.489 | 27⁄32 | 0.876 | 0.812 | |
13⁄8 | 1.404 | 21⁄16 | 2.062 | 1.994 | 2.917 | 2.738 | 29⁄32 | 0.94 | 0.872 | |
11⁄2 | 1.531 | 21⁄4 | 2.25 | 2.175 | 3.182 | 2.986 | 1 | 1.036 | 0.964 | |
13⁄4* | 29⁄16 | 13⁄16 | ||||||||
2* | 215⁄16 | 15⁄16 |
Dimensions per ASME B18.2.1 1996
ASME only defines head dimensions up to 1-1/2". Dimensions for 1-3/4 and 2" are approximate and not covered under the ASME dimensional specifications.
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