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21/64" 135° Black HD 6" Aircraft Drills (6 pack) Triumph Twist Drill About This Item: Upgrade your drilling game with the Triumph Twist Drill 21/64" 135° Black HD 6" Aircraft Drills. These premium grade high-speed steel drills feature a 135° split point for precision drilling. The black oxide coating ensures durability, while the heavy-duty construction guarantees long-lasting performance. Specifications: Part Number: 57521 Size: 21/64" Decimal Equivalent: .3281 Flute Length: 3-5/16" Overall Length: 6" Features: Point: 135° Split Point Material: Premium Grade High Speed Steel Coating/Finish: Black 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 name in the industry. Operating from a state-of-the-art 70,000 square foot facility in Chisholm, MN, Triumph Twist Drill produces top-quality tools using cutting-edge machinery and equipment. Count on us
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🇺🇸 Ship from USA · On Agora since 2025
$16.35