CoCud Square Hole Drill Bit, 3/8"x8.3" High Carbon Steel Square Eye Hollow Chisel Auger with Case - (Applications: for Woodworking Drilling & Repairing)

• ★ Square Hole Drill Bit --- Chisel Side Width: 9.5mm / 3/8 inch, Chisel Depth: 55mm / 2 inch, Holder Diameter: 19mm / 0.7 inch, Shank Diameter: 6.8mm / 0.3 inch, Total Length: 210mm / 8.3 inch.
• ★ Wide Application --- To be used with mortise and tenon machine with double effect, electric drill, hammer and other tools, can easily punch square holes in wood.
• ★ Ease of Use --- This square hole drill bit can drill fast with the drilling point tip and 4 cutting corners, to enable the penetration into working pieces of wood very smoothly.
• ★ High Carbon Steel --- Made of High-carbon steel with heat processing, has the character of high hardness (48-50 HRC). The sharp-edged square chisel is durable and lasts long.
• ★ Useful Tips --- Please install the square chisel bit in the square hole machine properly, or it will only be processed into round holes and cannot be processed into square holes.

Attributes: * Material: High Carbon Steel * Chisel Side Width: 9.5mm / 3/8 inch * Chisel Depth: 55mm / 2 inch * Holder Diameter: 19mm / 0.7 inch * Shank Diameter: 6.8mm / 0.3 inch * Total Length: 210mm / 8.3 inch What Is Included: * 1 Piece x Square Chisel Bit * 1 Piece x Plastic Case Applications & Features: --- 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. --- This square hole drill bit can drill fast with the drilling point tip and 4 cutting corners, to enable the penetration into working pieces of wood very smoothly. --- To be used with mortise and tenon machine with double effect, electric drill, hammer and other tools, can easily punch square holes in wood. Useful Tips: --- Please install the square chisel bit in the square hole machine properly, or it will only be processed into round holes and cannot be processed into square holes.