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#4 135° Black & Gold Oxide HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Upgrade your drilling experience with the #4 135° Black & Gold Oxide HD ThunderBit®. This premium grade high-speed steel drill bit features a 135° split point for precision drilling. The black and bronze oxide coating ensures durability and longevity, making it ideal for heavy-duty construction projects. Specifications: Part Number: 12604 Size: #4 Decimal Equivalent: .2090 Flute Length: 2-1/2" Overall Length: 3-3/4" 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 leading manufacturer of high-performance drills. Based in Chisholm, MN, our state-of-the-art facility produces top-quality tools using advanced machinery. Trust Triumph Twist Drill for all your drilling needs. Type: High-Speed Drill Bits
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🇺🇸 Ship from USA · On Agora since 2025
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