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5/16" 135° Black HD 6" Aircraft Drills (6 pack) Triumph Twist Drill About This Item: Upgrade your drilling game with the 5/16" 135° Black HD 6" Aircraft Drills pack from Triumph Twist Drill. These premium grade high-speed steel drills feature a 135° split point for precise drilling and are coated with durable black oxide for extended tool life. Specifications: Part Number: 57520 Size: 5/16" Decimal Equivalent: .3125 Flute Length: 3-3/16" 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 manufacturing high-quality drills in Chisholm, MN. Their advanced facility ensures precision and durability in each tool produced. Choose Triumph Twist Drill for all your drilling needs. Type: High-Speed Drill Bits Tags: Holemakers, Measuring System: Fractional
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🇺🇸 Ship from USA · On Agora since 2025
$13.80