Cobalt Red Helix Twist Drill Bit, 1/4 in.

The 1/4 in. drill bits are crafted for exceptional durability and extended lifespan in challenging metal tasks. These cobalt drill bits feature a variable helix with an aggressive 35-degree helix angle that tapers to 15 degrees. These drill bits are equipped with a quadedge tip to minimize heat accumulation and enhance drilling speed. The 135-degree split point tip ensures a precise start and prevents wandering, allowing for quick and accurate holes in hard metal, PVC, and wood. The tapered drill bits incorporate a new enhanced tapered web that reinforces the core of the bit to improve flute durability. The twist drill bits are perfect for demanding tasks, offering up to 15 times the lifespan compared to black oxide drill bits.
• Cobalt alloy provides up to 15 times the lifespan compared to black oxide drill bits
• Quadedge tip designed to reduce heat buildup and improve drilling speed
• Enhanced tapered web fortifies the core of the bits
• Variable helix design allows for quick material removal
• 135-degree split point for precise starting without wandering
• 3-flat secure-grip ensures the bit remains firmly in the chuck
• Suitable for hard metals, PVC, and wood