#31 135° HD Black & Gold ThunderBits® (12 pack)

#31 135° Black & Gold Oxide HD ThunderBit® (12 pack) Triumph Twist Drill About This Item: Upgrade your drilling experience with the #31 135° Black & Gold Oxide HD ThunderBit®. This 12-pack of premium grade high-speed steel drill bits is designed for heavy-duty construction, featuring a 135° split point for precise drilling. The black and bronze oxide coating ensures durability and longevity, making it ideal for various materials including iron, steel, and alloys with different strengths. Specifications: Part Number: 12631 Size: #31 Decimal Equivalent: .1200 Flute Length: 1-5/8" Overall Length: 2-3/4" Features: Point: 135° Split Point Material: Premium Grade High Speed Steel Coating/Finish: Black and Bronze Oxide Other: Heavy-Duty Construction For