Cobalt Step Drill Bit, 3/16-1/2 In X 1/16
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|Item||Step Drill Bit|
|Size||3/16 to 1/2"|
|Number of Hole Sizes||6|
- Ideal for drilling multiple diameter holes in steel, copper, brass, aluminum, PVC, wood, and laminates up to 1/8" thick. Irwin bits have Speed Point tip design and single flute cutting edge. Cobalt bits resist heat buildup and have 3-sided flattened shank.