- 【SIZE】3/8″ square chisel width, 55mm cutting depth, 210mm total length.
- 【TIP AND EDGE】The best designed Drilling Point tip and 4 Cutting Corner to enable the fast drilling and penetrating into working pieces of wood very smooth and fast.
- 【MATERIAL】Made of High-carbon steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, long life.
- 【ADVANTAGE】With long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.
- 【OPERATION】Used with mortise and tenon machine with double effect, and electric drill, hammer and other tools is required for punching square hole in wood.
