Oxtul 1 in. Silver&Deming Black Oxide Model Number: 24216 Oxtul S&D Black Oxide drill bits are designed for extreme durability and long life. A specially designed parabolic flute form clears chips fast, while the straight shank fits most drill chucks. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Oxtul Black Oxide bits require less effort to drill through metal, wood and PVC, and are highly recommended for use with portable drills. Features: Fast, accurate drilling: 135 degree split point tip starts on contact to prevent moving, while the parabolic flute clears chips fast Reduced slipping: straight shank fits most drill chucks Corrosion resistant: Black oxide coating provides lubricity and resists corrosion of the bit Versatile: Reduced shank diameter for use in 1/2 in. chucks Specifications: Shank 1/2 in. Reduced Pack Qty 1 Type Twist Drill Bits Coating Black Oxide Length 6 in. Flute Length 3 in. Size 1 in.