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5/16" 135° Cobalt HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Discover the Triumph Twist Drill 5/16" 135° Cobalt HD ThunderBit® - a top-quality, USA-made drill bit designed for exceptional durability and performance. Engineered to tackle challenging drilling tasks effortlessly, this cobalt and high-speed steel blend drill bit features a precise 135° split point to ensure accurate and efficient drilling, minimizing the risk of slipping or deviation. The bronze oxide coating reduces friction and heat generation, resulting in faster and smoother drilling operations. Ideal for heavy-duty applications, this ThunderBit® is built to last and is a must-have tool in your arsenal. Specifications: Size: 5/16" Decimal Equivalent: .3125 Flute Length: 3-1/16" Overall Length: 4-1/2" Features: Point: 135° Split Point Material: High Speed Steel and Carbide Coating/Finish: Bronze 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 expertise, produces hundreds of thousands of drills
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🇺🇸 Ship from USA · On Agora since 2025
$11.46