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Cobalt Steel Drill Bit Set for Professionals: 29-Piece Set, TiN Coated, 1/16 - 1/2 Inch Sizes
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About this item
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Titanium nitride (TiN) coating offers high hardness for increased tool performance and extended tool life compared to an uncoated drill bit on ferrous and nonmetallic materials
- Heavy-duty web design for enhanced durability and stiffness when compared to conventional drill bits. Manufactured in the United States.
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Set of 29 jobber length drill bits includes inch sizes 1/16" through 1/2" in 1/64" increments