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5/16" 135° Black Oxide HD Jobber Drill (6 pack) Triumph Twist Drill About This Item: Enhance your drilling efficiency with the Triumph Twist Drill 5/16" 135° Black Oxide HD Jobber Drill. This premium-grade High-Speed Steel drill bit features a 135° split point for precise drilling and a durable black oxide coating. Ideal for iron, cast, stainless steel, and high-tensile alloys, this pack of 6 drill bits is designed for heavy-duty construction projects. Specifications: Part Number: 11420 Size: 5/16" Decimal Equivalent: .3125 Flute Length: 3-3/16" Overall Length: 4-1/2" 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: Triumph Twist Drill, with over 60 years of experience, delivers top-quality drills like the 5/16" 135° Black Oxide HD Jobber Drill
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🇺🇸 Ship from USA · On Agora since 2025
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