Description

Irwin 10233CB 1/4" - 34" Unibit Cobalt Alloy Steel Step Drill

6X Longer life vs. the competition
M35 grade Cobalt Alloy HSS
Radial concave flute
Speedpoint tip
Laser marked sizes

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Irwin Unibit Step Drill Bit

Irwin Tools

$35.80 - $75.05

Irwin Unibit Step Drill Bit High Speed Steel Fractional Self-Starting Single-flute cutting edge for better control through steps

Irwin Tools 10313ZR Unibit #13 1-1/8" Step-Drill Bit, 1/2" Shank

$90.80

Irwin Tools 10313ZR Unibit #13 1-1/8" Step-Drill Bit, 1/2" Shank Single-flute cutting edge for greater Hex shank helps prevent slipping in the drill chuck

Diablo DHS4BITCB 4" Cobalt Pilot Drill Bit

Diablo

$9.70

Diablo DHS4BITCB 4" Cobalt Pilot Drill Bit Diablos high performance Pilot Bit delivers faster cutting performance and increased productivity and is designed to fit all snap-lock plus mandrels...