Cobalt Step Drill Bit, 4-22mm, 2mm Step
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|Item||Cobalt Step Drill Bit|
|Size||4mm to 22mm|
|Number of Hole Sizes||10|
- 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.