

3/16 to 1/2" Hex Shank 6 Step Drill Bit Stinger™ Mach-Blue™
SKU: 19020
- Up to 50x more holes than titanium or black oxide drill bits
- Up to 2x faster than titanium or black oxide drill bits
- Proprietary Mach-Blue™ Armor Plating is a super hard surface that retains sharper cutting edges, and reduces heat build-up and cutting friction – resulting in faster cuts and exceptionally long drill life
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