IRWIN® Unibit® 10234 Self-Starting Step Drill Bit, #4 Drill, 12 -Hole Size, 3/16 in Min Hole Size, 7/8 in Max Hole Size Duct Knives Sweeping garage floors

Sweeping garage floors

3 x 1-1/4 in Rail

Grip Range: 3/8

54 in Overall LengthFeatures:

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IRWIN® Unibit® 10234 Self-Starting Step Drill Bit, #4 Drill, 12 -Hole Size, 3/16 in Min Hole Size, 7/8 in Max Hole Size Duct Knives Sweeping garage floorsIRWIN Self Starting Step Drill Bit, #4 Drill, 12 Hole, 3 16 in Minimum Hole, 7 8 in Maximum Hole, Step Increments: 1 16 in, 2 7 8 in Overall Length, Hex Shank, 3 8 in Shank Diameter, HSS, Finish: Black Oxide, Applicable Materials: Aluminum, Brass, Copper, Laminate, Plastic, Stainless SteelFeatures: Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck New SpeedPoint tip penetrates faster than previous