Irwin Tools IRWIN 10233CB Unibit 1/16-Inch 9-Steps Cobalt Alloy Steel Step Drill Bit

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About This Drill bit is engineered with M-35-grade Cobalt Alloy Steel steel for maximum life when drilling in tough steel SpeedPoint tip for fast starts Drill bits feature a radial concave flute IRWIN drill bits have laser-marked sizes for simple identification Drills 9 hole sizes from 1/4" to 3/4" increments in 1/16" steps Drill bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel SpeedPoint tip for fast starts Drill bits feature a radial concave flute IRWIN drill bits have laser-marked sizes for simple identification Drills 9 hole sizes from 1/4" to 3/4" increments in 1/16" steps Overview Material : Cobalt Cutting Diameter : 0.75 Inches Finish Type : Cobalt Alloy Steel Shank Type : Straight Cutting Angle String : 118 Degrees Show more