Irwin® Unibit® 10234CB Step Drill Bit 3/16 in Dia Min Hole 7/8 in Dia Max Hole 12 Steps M35 Cobalt HSS 12 Hole Sizes 3/8 in Shank

Features

6X longer life SpeedPoint® tip for fast starts Geometry of single flute cutting edge drills true round holes and provides maximum step control Laser etched sizes inside flute for easy and permanent hole size identification Hex-shaped shank secures easily

Product Description

Irwin® Unibit® Step Drill Bit Imperial #4 Letter/Wire 3/16 in Diameter Minimum Hole 7/8 in Diameter Maximum Hole 3-1/4 in Overall Length 12 Steps 1/16 in Step Depth 12 Hole 1 Flutes Radial Concave Flute 3/8 in Shank Hex Shank SpeedPoint® Point M35 Cobalt HSS Cutting Edge M35 Cobalt HSS Steam Oxide Applicable Materials: Stainless Steel and Steel

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