Square Hole Drill Bits
Square Hole Drill Bits
Mortise Machine Compatible
The Square Hole Drill Bits are designed for use with mortise machines (not suitable for handheld drills). With carbide-tipped edges and a U-shaped chip removal design, they provide sharp cutting performance and improved drilling efficiency in wood materials such as MDF, particleboard, pine, and basswood.
Available in multiple sizes (from 1/4" to 1-1/8"), these bits deliver reliable performance for square hole mortising applications in woodworking.
◎ indicates our standard models.
Customized options can be made to order.
| Specification | Shank Diameter | Pack | |
|---|---|---|---|
| ◎ | 1/4" (6.35mm) | 3/4" | 10 Set/Box |
| ◎ | 5/16" (8.00mm) | 3/4" | 10 Set/Box |
| ◎ | 3/8" (9.52mm) | 3/4" | 10 Set/Box |
| 7/16" (11.0mm) | 3/4" | 10 Set/Box | |
| ◎ | 1/2" (12.7mm) | 3/4" | 10 Set/Box |
| ◎ | 5/8" (15.88mm) | 3/4" | 10 Set/Box |
| ◎ | 3/4" (19.05mm) | 3/4" | 10 Set/Box |
| 7/8" (22.22mm) | 1-1/8" | 10 Set/Box | |
| ◎ | 1" (25.4mm) | 1-1/8" | 1 Set |
| 1-1/8" (30mm) | 1-1/8" | 1 Set |