Step-Drill Bit- 4241 High Speed Steel Bits Cut Faster, Stay Cooler and Last Longer- Sizes 1/4 to 1 3/8

4241 High-Speed Steel Step Drill Bit - withstand higher temps without losing its hardness which last longer than standard carbon bits. Sizes 1/4 to 1

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8'' hex shank provides a firm, positive grip and won't spin out in the drill.

Klein Tools KTSB01 Step Drill Bit #1 Double-Fluted

4241 High-Speed Steel Step-Drill Bit - withstand higher temps without losing its hardness which last longer than standard carbon bits. Sizes 1/4 to 1

Step-Drill Bit- 4241 High Speed Steel Bits Cut Faster, Stay Cooler and Last Longer- Sizes 1/4 to 1 3/8 -Typhon East

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10 Sizes Step Drill Bit,1/4 to 1-3/8 Inches High Speed

Typhon East Step-Drill Bit- 4241 High Speed Steel Bits Cut Faster, Stay Cooler and Last Longer- Sizes 1/4 to 1 3/8 : Industrial & Scientific

Typhon East Step-Drill Bit- 4241 High Speed Steel Philippines

HSS 4241 Cobalt Step Cone Drill Multiple Hole 50 Sizes Step Drill

Klein Tools 3-Step Drill Bit, Double-Fluted, 7/8-Inch to 1-3/8

Saiper Titanium Step Drill Bit 3/16 inch to 7/8 inch (12 Step Sizes) HSS 4241 Triangle Handle Step Drill Bits Drill Holes for Plastic, Aluminum, PV

Klein Tools 3-Step Drill Bit, Double-Fluted, 7/8-Inch to 1-3/8

HSS 4241 Cobalt Step Cone Drill Multiple Hole 50 Sizes Step Drill

10 Sizes Step Drill Bit,1/4 to 1-3/8 Inches High Speed