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5/16" x 12" 135°HD Aircraft Extension Drill Bit (3 pack) Triumph Twist Drill Upgrade your drilling game with the 5/16" x 12" 135°HD Aircraft Extension Drill Bit from Triumph Twist Drill. This versatile 3-pack of high-speed drill bits is designed for precision and durability, making it ideal for professional use. About This Item: Specifications: Part Number: 58520 Size: 5/16" Decimal Equivalent: .3125 Flute Length: 3-3/16" Overall Length: 12" 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: Discover the excellence of Triumph Twist Drill, a leading manufacturer with over 60 years of expertise in producing top-tier drills. Operating from a state-of-the-art 70,000 square foot facility in Chisholm, MN, we are dedicated to crafting high-performance tools using advanced machinery and equipment. Type:
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🇺🇸 Ship from USA · On Agora since 2025
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