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28# 135° Black Oxide Jobber Drill Bit (12 pack) Triumph Twist Drill About This Item: Upgrade your drilling game with the 28# 135° Black Oxide Jobber Drill Bit pack from Triumph Twist Drill. Crafted from premium grade high-speed steel with a black oxide finish, these drill bits are designed for heavy-duty construction. The 135° split point ensures precise drilling in various materials, making them a versatile choice for both professionals and DIY enthusiasts. Specifications: Part Number: 12428 Size: #28 Decimal Equivalent: .1405 Flute Length: 1-3/4" Overall Length: 2-7/8" 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 leading manufacturer of high-quality drill bits. Operating from a state-of-the-art facility in Chisholm, MN, Triumph Twist Drill utilizes cutting-edge technology to produce
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🇺🇸 Ship from USA · On Agora since 2025
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