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#31 135° Black & Gold Oxide HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Upgrade your drilling experience with the #31 135° Black & Gold Oxide HD ThunderBit®. This 12-pack of premium grade high-speed steel drill bits is designed for heavy-duty construction, featuring a 135° split point for precise drilling. The black and bronze oxide coating ensures durability and longevity, making it ideal for various materials including iron, steel, and alloys with different strengths. Specifications: Part Number: 12631 Size: #31 Decimal Equivalent: .1200 Flute Length: 1-5/8" Overall Length: 2-3/4" 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: Triumph Twist Drill has been a trusted name for over 60 years, producing high-quality tools at their advanced facility in Chisholm, MN. With cutting-edge machinery, they deliver exceptional performance tools like the
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🇺🇸 Ship from USA · On Agora since 2025
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