Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers DZR Lead Free Brass O-ring

DZR Lead Free Brass O-ring

We lead the industry in developing top-performing

Can be used with both Schedule 40 or Schedule 80 pipe

Swivel knob micro-adjusts for gauges smaller than 20 AWG

Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers DZR Lead Free Brass O-ringInnovative pressed carbide tip with aggressive cutting angles for faster drilling and longer bit life One piece construction withstands higher torque loads than standard quick change bits Black oxide finish resists corrosion and increases life of bit 1 4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks