Universal Warcraft 3/8inch Square Drill or Mortising Chisel bit, High Speed Steel

Description

Professional Woodworking Drill Bit. Hss Material, High Hardness, Lengthened Core. Matched Use With Mortise And Tenon Machine. The Square Hole Punching Needs To Use Electric Drill, Hammer Other Tools. For Construction, Installation, Renovation, Decoration, Etc..