SaferCCTV Woodworker 3/4 Inch Square Hole Drill Bits Mortising Chisel Set, Mortise Chisel & Bit Set for Construction Installation Renovation Decoration Industry
- CENTER DRILL BIT: The 7pcs self-centering drill bit made of high-speed steel drill bit & quenching treatment shell designed. Adjustable drill depth, high hardness, rustproof, durable and superior drilling performance.
- EXCELLENT DESIGN: The center drill set features self-centering to reduce bit walking increases precision and efficiency when drilling. Double-sided hole design - fast & automatic discharge Sawdust from the hole on both sides, without a drill, blocked.
- DIFFERENT SIZE: Hinge drill bit comes with 7 different sizes: 5/64.