Hex Head Lag Screws

Hex Head Lag Screws

Hex Head Lag Screw

E F G H G H
Body of Shoulder Dia. Width Across Flats Square Lag screws Hex Lag Screws
Nominal Size of Basic Product Div. Max. Max. Basic. Max. Min. Max. Min. Basic. Max. Min. Max. Min. Basic. Max. Min. Threads
NO. 10 0.199 0.178 9⁄32 0.281 0.271 0.398 0.372 1⁄8 0.140 0.110 0.323 0.309 1⁄8 0.140 0.110 11
* 1⁄4 0.260 0.237 3⁄8 0.375 0.362 0.530 0.498 11⁄64 0.188 0.156 – – – – – 10
** 1⁄4 0.260 0.237 7⁄16 0.438 0.425 – – – – – 0.505 0.484 11⁄64 0.188 0.150 10
5⁄16 0.324 0.298 1⁄2 0.500 0.484 0.707 0.665 13⁄64 0.220 0.186 0.577 0.552 7⁄32 0.235 0.195 9
3⁄8 0.388 0.360 9⁄16 0.562 0.544 0.795 0.747 1⁄4 0.268 0.232 0.650 0.620 1⁄4 0.268 0.226 7
7⁄16 0.452 0.421 5⁄8 0.625 0.603 0.884 0.828 19⁄64 0.316 0.278 0.722 0.687 19⁄64 0.316 0.272 7
1⁄2 0.515 0.482 3⁄4 0.750 0.725 1.061 0.995 21⁄64 0.348 0.308 0.866 0.826 11⁄32 0.364 0.302 6
5⁄8 0.642 0.605 15⁄16 0.938 0.906 1.326 1.244 27⁄64 0.444 0.400 1.083 1.033 27⁄64 0.444 0.378 5
3⁄4 0.768 0.729 1 1⁄8 1.125 1.088 1.591 1.494 1⁄2 0.524 0.476 1.299 1.240 1⁄2 0.524 0.455 4 1⁄2
7⁄8 0.895 0.852 1 15⁄16 1.312 1.269 1.856 1.742 19⁄32 0.620 0.568 1.516 1.447 37⁄64 0.604 0.531 4
1 1.022 0.976 1 1⁄2 1.500 1.450 2.121 1.991 21⁄32 0.684 0.628 1.732 1.653 43⁄64 0.700 0.591 3 1⁄2
1 1⁄16 1.149 1.098 1 11⁄16 1.688 1.631 2.386 2.239 3⁄4 0.780 0.720 1.949 1.859 3⁄4 0.780 0.658 3 1⁄4
1 1⁄4 1.277 1.223 1 7⁄8 1.875 1.812 2.652 2.489 27⁄32 0.876 0.812 2.165 2.066 27⁄32 0.876 0.749 3 1⁄4