Irwin 10231 Unibit1 1/8-Inch to 1/2-Inch 1/4-Inch Shank Step Drill Bit ['REED' The design drives the side

The design drives the side of the fastener instead of the corner

1/2- 2 IMC/RGD 854DX

plunger threads and base mounting holes for optional fixture attachment Heavy duty plunger spring return High quality 3/8-Inch -18 NPT quick coupling Baked enamel finish for increased corrosion resistance

Lug Nut TwistRemove all locking lug nuts without a key

Wide range of uses includes body shops

Irwin 10231 Unibit1 1/8-Inch to 1/2-Inch 1/4-Inch Shank Step Drill Bit ['REED' The design drives the sideIdeal 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 Patented single flute cutting edge gives the user a true round hole every time 3 faltted shank prevents slipping in drill chuck New speedpoint tip penetrates faster than previous unibits and prevents walkingAmazon. ca Product Description Irwin 10231 Unibit #1 13 Step 1 4 Inch