hollow square hole saw, drill, woodworking tool, high carbon steel 7-piece set

Hollow Square Hole Saw, Drill, Woodworking Tool, High Carbon Steel 7-Piece Set Feature Square hole drills cannot be used for electric drills, and square hole drills need to be suitable for square hole drills (mortise mortise machines). The mortise and mortise bore holes in the terrible outer sleeve in the middle of the assembly. Reduce the labor intensity of construction workers, speed up construction, and reduce construction costs in construction, installation, decoration, and decoration industries. Specification: Material: bearing steel Hardness: 56HRC Diameter of clamping handle: 19mm (round) Model: Slotted diameter 6.0/6.4 / 8.0/ 9.5/ 10 / 12.5 / 12.7 mm (front square) Use matters: Square hole drills are mainly used in woodworking. Existing various drills can only process a round hole, not a square hole. To process a square hole, you must drill the hole or use a cutting machine to rough it. Hole, and then chiseled with artificial hands. The utility model drills holes on the

Price £ 126.34