GABRIELLE 6pcs Wood Drill Square Hole Steel Hollow Chisel Woodworking Tool Set Square Hole Drill Bit Drilling Mortise Chisel 6.4/8/9.5/12.7/14/16mm Square Hole

Excellent quality: This square drill is made of high speed steel and is sturdy, practical and efficient. The thermally treated cutting edge is sharp, has a high hardness, the blade is continuous and the cutting speed is fast. HIGH-QUALITY DESIGN: The design of the cutter's drill guide provides effective tear-out protection at the beginning of use. There is no offset, the saw blade is automatically guided away from the top of the hole on both sides, and the drill is not blocked. Labor saving and precision: Reduce the intensity of construction personnel, reduce the working time, speed up construction, and reduce construction costs for construction, installation, renovation and decoration. Versatile: Ideal for drilling square holes in wood using accessories mortise or tenon. Drill square holes are mainly used in woodworking. This drill cannot be used with electric drills or bench drills Wide application: this drill bit square hole Suitable for wood, including medium density fiberboard,