20mm Woodworking Square Hole Drill Bit for Square Hole Drilling Machine

[ AND PROTECTIVE] - The drill sleeve is designed to be in a plane, providing effective against cracking during use.; [ MATERIAL] - The drill bit is made of bearing steel, ensuring high hardness and long service life after heat treatment.; [EFFICIENT DESIGN] - U shape long chip drain grooves allow for easy wood chip discharge, improving drilling efficiency.; [STABLE CLAMPING] - The universal handle shape and circular end design of the drill ensure stable clamping.; [VERSATILE APPLICATION] - Suitable for density board, medium fiber board, particleboard, and other wood products. Compatible with square hole drilling and square tenon machines.

What's in the box
1 x Drill Bit