4pcs Set 12.7‑16mm Woodworking Square Hole Drill Bits Bearing Steel Square Hole Drill Bits

Feature: 1. The bit is forged by bearing steel, with high hardness and long service life after overall heat treatment. 2. U long chip drain grooves designs, facilitate wood chip discharge, improve the efficiency of drilling. 3. Drill sleeve designs, the force of the drill sleeve edge is in a plane, effective protection to avoid the situation of cracking at the beginning of use. 4. Universal handle shape, circular designs at the end of the drill, so as to making clamping more stable. 5. Suitable for density board, medium fiber board, particleboard, wood and other wood products, suitable for square hole drilling machine, square tenon machine Specification: Condition: 100percent Brand New Item Type: Square Hole Drill Bits Material: Bearing steel Model: 14 mm 12.7 mm 15 mm 16 mm Application: Suitable for density board, medium fiber board, particleboard, wood and other wood products, suitable for Square hole drilling machine, Square tenon machine. Package List: 1 x Square Hole Drill Bits 12.7mm1 x Square Hole Drill Bits 14mm1 x Square Hole Drill Bits 15mm1 x Square Hole Drill Bits 16mm