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4# 135° Black Oxide Jobber Drill Bit (12 pack) Triumph Twist Drill About This Item: Get the job done efficiently with the 4# 135° Black Oxide Jobber Drill Bit pack from Triumph Twist Drill. Made of premium grade high-speed steel with a black oxide coating, these drill bits are designed for heavy-duty construction projects. The 135° split point ensures precision drilling on various materials, from iron to high-tensile strength alloys. Specifications: Part Number: 12404 Size: #4 Decimal Equivalent: .2090 Flute Length: 2-1/2" Overall Length: 3-3/4" 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 machinery to produce top-per
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🇺🇸 Ship from USA · On Agora since 2025
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