CCYKXA 14mm(9/16") Square Hole Drill Bit High Speed Steel Hollow Mortiser For Carpentry Carpentry Mortising Tenon Machine

Size - The size of the square hole drill bit is 14mm(9/16"), Cutting Depth: 75mm / 2.95", Total Length: 210mm / 8.27"

Material - Made of high speed steel, through thermal shaping, with high hardness bits (48-50 HRC), and sharp edge square chisel, durable and long lasting.

Feature - With long drill core and square chisel, easy to loop the hole on the wood, can reduce the labor intensity of construction workers, accelerate the construction speed, reduce construction costs.

Application - Suitable for double-acting mortise and tenon machine, and electric drill, hammer and other tools are needed to dig a square hole in the wood.

Note - If drill presses or electric drills are used, They must be strictly executed according to the operation method. Otherwise, they can only be made into round holes and cannot be made into square holes.