Irwin 10239 Step Drill Bit, Self-Starting, 1/2', Size In=7/8 & 1-1/8 Pull-a-part Precision ground hardened carbon steel

Precision ground hardened carbon steel 4

Gauge Conductors: 18/2

Overall Length : 6-3/8 in

The non stick coating makes food release and clean up a breeze

Dimeter: 3/8 in

Irwin 10239 Step Drill Bit, Self-Starting, 1/2', Size In=7/8 & 1-1/8 Pull-a-part Precision ground hardened carbon steelHighlights: Size 7 8" & 1 1 8" Size KO=1 2 & 3 4 Ideal 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 walking Speed point tip