uxcell Square Hole Drill Bit, 1/2" High-Carbon Steel Hollow Chisel Mortise Power Tool for Woodworking

Key features

• 【SIZE】1/2" (12.7mm) square chisel width, 75mm cutting depth, 205mm total length.
• 【TIP AND EDGE】The best-designed drilling point tip and 4 cutting corners enable fast drilling with small opening resistance, and penetrating into working pieces of wood in precise opening size very smoothly and fast.
• 【MATERIAL】Made of High-carbon steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, durable and lasts long.
• 【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.