5/16" 135° Black Oxide HD Jobber Drill (144 pack)

5/16" 135° Black Oxide HD Jobber Drill (144 pack) Triumph Twist Drill About This Item: Upgrade your drilling game with the 5/16" 135° Black Oxide HD Jobber Drill by Triumph Twist Drill. This premium-grade high-speed steel drill bit features a 135° split point for precise drilling in various materials. The black oxide coating enhances durability, making it ideal for heavy-duty tasks. Specifications: Part Number: 11420.2 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: For over 60 years Triumph Twist Drill has been manufacturing top-quality drills at their 70,000 square foot facility in Chisholm, MN. Their drills are crafted using premium materials and cutting-edge technology, ensuring exceptional performance and precision.