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Bolt Drill Hole Size
Please use the following table as an outline for bolt hole drill size.
| Twist Bolts | Drill Hole Dia. | Min. Drill Hole Depth |
| 6mmx80mm | 1/2” | 3-1/2″ |
| 6mmx100mm | 1/2″ | 4″ |
| 6mmx150mm | 1/2″ | 6″ |
| 8mmx100mm | 5/8″ | 4″ |
| 8mmx150mm | 5/8″ | 6″ |
| Solid Leg Bolt, (SLB’s) | ||
| 10mmx100mm | 1/2″ | 4″ |
| 10mmx150mm | 1/2″ | 6″ |
| 12mmx100mm | 9/16″ | 4″ |
| 12mmx150mm | 9/16″ | 6″ |
| Wedge Bolts | ||
| 10mmx80mm | 10mm | 3-1/2″ |
| 10mmx100mm | 10mm | 4″ |
