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Z - 135° HD Black & Gold ThunderBit® (6 pack) Triumph Twist Drill About This Item: Introducing the Z - 135° HD Black & Gold ThunderBit® by Triumph Twist Drill. This premium high-speed steel drill bit set is designed for exceptional performance and durability. With a 135° split point for precise drilling, a black and bronze oxide coating, and heavy-duty construction, these bits are perfect for a wide range of applications. Specifications: Part Number: 12726 Size: Z Decimal Equivalent: .4130 Flute Length: 3-7/8" Overall Length: 5-1/4" 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-quality drill bits. Operating from a state-of-the-art 70,000 square foot facility in Chisholm, MN, Triumph Twist Drill utilizes cutting
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🇺🇸 Ship from USA · On Agora since 2025
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