HSS Step Drill Bit, 1/2 In, Shank 1/4 InUNIBIT 10 61957
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|Item||Step Drill Bit|
|Number of Hole Sizes||1|
|Material||High Speed Steel|
|Design||Ensures True Starts Without Walking Even on Curved Surfaces|
- 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.