Timber Spike Dimensions
| Bolt Diameter | D | F | H | TPI | D | R |
|---|---|---|---|---|---|---|
| Body Diameter | Head Diameter | Head Height | ||||
| Max | ||||||
| 1⁄2 | 0.515 | 11⁄2 | 1⁄4 | 6 | 0.0520 | 0.0232 |
| 5⁄8 | 0.642 | 115⁄16 | 5⁄16 | 5 | 0.0647 | 0.0236 |
| 3⁄4 | 0.768 | 21⁄4 | 3⁄8 | 41⁄2 | 0.0731 | 0.023 |
| 7⁄8 | 0.895 | 25⁄8 | 7⁄16 | 4 | 0.0837 | 0.023 |
| 1 | 1.022 | 27⁄8 | 1⁄2 | 31⁄2 | ||
| 11⁄8 | 1.149 | 27⁄8 | 1⁄2 | 31⁄2 | ||
| 11⁄4 | 1.277 | 27⁄8 | 1⁄2 | 31⁄2 | ||
| 13⁄8 | 1.404 | 27⁄8 | 1⁄2 | 31⁄2 | ||
| 11⁄2 | 1.531 | 27⁄8 | 1⁄2 | 31⁄2 |