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#28 135° Black & Gold Oxide HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Looking for heavy-duty high-speed drill bits with exceptional performance? The #28 135° Black & Gold Oxide HD ThunderBit® from Triumph Twist Drill is the perfect solution. Crafted from premium grade high-speed steel with a black and bronze oxide coating, these ThunderBits® are designed for durability and precision drilling. Specifications: Part Number: 12628 Size: #28 Decimal Equivalent: .1405 Flute Length: 1-3/4" Overall Length: 2-7/8" Features: Point: 135° Split Point Material: Premium Grade High Speed Steel Coating/Finish: Black and Bronze Oxide Other: Heavy-Duty Construction For use in: Iron, Cast Steel, Low and Medium Carbon Steel, High Alloy Steel, Stainless and PH Tough, Medium and High-Tensile Strength Alloys About this Manufacturer: For over 60 years, Triumph Twist Drill has been a trusted manufacturer of high-quality drills. Located in Chisholm, MN, our state-of-the-art facility produces top-notch tools with cutting-edge technology. Trust Triumph Twist Drill for all your drilling needs.
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🇺🇸 Ship from USA · On Agora since 2025
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