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29-Piece Chicago Latrobe 559 Series Cobalt Steel Drill Bit Set for Metal, Gold Oxide Finish, 135° Split Point, 1/16-1/2 with Metal Case (DIYers and Homeowners)
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About this item
- Extra thick web for increased strength and rigidity compared to standard drill bits
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Made in the USA
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Set of 15 short length drill bits includes inch sizes 1/16" through 1/2" in 1/64" increments
- Gold oxide coating enhances lubrication and increases wear resistance for ferrous surfaces.










