Irwin 5 Pc Countersink Drill Bit Set for Metal 1877793 No Lip Door Edge Bit This immediate structural tracking ensures

This immediate structural tracking ensures exact hole diameters that are perfectly tailored for chemical or mechanical anchors

Use the open end for the initial heavy break

offering unparalleled versatility for your woodworking projects

lighter weight

Perfect for flooring contractors and restoration specialists

Irwin 5 Pc Countersink Drill Bit Set for Metal 1877793 No Lip Door Edge Bit This immediate structural tracking ensuresIrwin 5 Pc Countersink Drill Bit Set for Metal 1877793 IRWIN High Speed Steel Countersinks feature a precision ground 82 degree tip that makes them ideal for countersinking into most machinable metals. They're made from industrial grade high speed steel for increased durability, and they include a black oxide finish for added corrosion resistance. The five flute design reduces vibration for smoother drilling and extended life. Plus, the 1 4" round