Stainless Steel, Mild Steel, Aluminum, Brass, Copper, Fiberglass and Plastics Split-point tip resists walking and penetrates material faster Power tool accessory made from strong, high-speed steel that provides superior resistance to heat and abrasion Titanium Nitride coating ensures that the bits run cooler, drill faster, and last longer Optimized core for significantly reduced torque on the user and extended tool life Designed to drill in up to ¼” thick material Durable case and quick-change adapter included
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