







🛠️ Drill square, drill smart — elevate your woodworking game with precision and power!
The SaferCCTV Square Hole Drill Bits set includes four high-speed steel mortising chisels (1/4", 5/16", 3/8", 1/2") designed exclusively for mortising machines with 3/4" collars. With a hardness rating of 56HRC, these bits deliver durable, precise square holes ideal for professional woodworking, especially mortise and tenon joinery. This set accelerates project completion while reducing labor effort, making it a must-have for serious craftsmen.
| Manufacturer | SaferCCTV |
| Part Number | ZXL3193-1 |
| Package Dimensions | 22.8 x 18.6 x 2.9 cm; 1 g |
| Item model number | ZXL3193-1 |
| Size | 1/4-Inch, 5/16-Inch, 3/8-Inch, 1/2-Inch |
| Finish | High-speed Steel |
| Material | High Speed Steel (HSS) |
| Item Package Quantity | 4 |
| Number of Pieces | 4 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1 g |
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