IRWIN Unibit1T Shank Step Drill Bit, Titanium Nitride Coated, 1/8" to 1/2" by 1/4" (15101) Air Tools DRIVE W/PIN 65R^It is used

DRIVE W/PIN 65R^It is used for Electrical & Heating

Impacts per Minute 4300

Cable and 3 in

Each extension replaces two others but doesn’t cost twice as much

IRWIN Unibit1T Shank Step Drill Bit, Titanium Nitride Coated, 1/8" to 1/2" by 1/4" (15101) Air Tools DRIVE W/PIN 65R^It is usedIdeal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single flute cutting edge for greater control through steps 3 faltted shank prevents slipping in drill chuck New speedpoint tip penetrates faster than previous unibits and prevents walkingAmazon. ca Product Description Step Drill Bit, Material HSS, Titanium Nitride Coated Finish, Number of Hole Sizes 13, Shank Size 1 4 In., Step