Spyder 19025 Stinger Mach-Blue Step Drill Bit Set 1/8 - 1/2" 13 Steps, 3/16 - 7/8" 12 Steps 2Pc.
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- 50x more holes and 2x faster than titanium or black oxide coated step drill bits
- Super-hard Mach-Blue Armor Plating retains sharper cutting edges, and reduces heat build-up and cutting friction
- Durable drill bit for long drill life, precision holes, and increased speed and productivity in tough to drill applications
- Impact rated 1/4-in speed hex won’t slip in conventional 3-jaw chucks and is ideal for use in quick change impacting power tools
- Set includes one (1) 1/8-in - 1/2-in 13-step bit and one (1) 3/16-in - 7/8-in 12-step bit