#47 135° Black & Gold Oxide HD ThunderBit® (12 pack)

#47 135° Black & Gold Oxide HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Upgrade your drilling experience with the #47 135° Black & Gold Oxide HD ThunderBit®. This 12-pack from Triumph Twist Drill offers precision and durability for your drilling needs. Specifications: Part Number: 12647 Size: #47 Decimal Equivalent: .0785 Flute Length: 1" Overall Length: 2" Features: Point: 135° Split Point Material: Premium Grade High Speed Steel Coating/Finish: Black and 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 Al