Product Description
Milwaukee 4.2mm Cobalt RED HELIX Twist Drill Bit
The 4.2MM Cobalt RED HELIX Twist Drill Bit is engineered for unparalleled durability and performance in hard metals. With a Variable Helix that features an aggressive 35° angle tapering to 15°, this bit ensures rapid chip removal, minimizes heat and maintains sharpness. Its QUAD EDGE 135° split point tip guarantees precision starts without walking, ensuring swift and accurate holes. Additionally, its four cutting edges generate smaller chips for quicker removal, reducing heat and prolonging lifespan. The enhanced internal taper web fortifies its strength, guarding against premature breakages. Furthermore, its Cobalt coating ensures peak durability, granting it up to 10X the lifespan of Black Oxide coated bits. It's the ideal choice for all demanding twist-drilling tasks.
FEATURES:
- Cobalt coating offers up to 10X longer life versus black oxide drill bits
- Perfect for twist drilling applications in hard metal
- Ideal for thick metals, stainless steel, black pipe, and clean wood
- For use with for 3-Flat SECURE GRIP shank drills and drivers
- QUAD EDGE Tip stays sharper longer
- 135° split point for precision start no walking
- Thicker Tapered Web increases bit strength and durability
- Variable Helix with 35°-15° flute geometry offers faster material extraction
- Rapid Chip Removal limits heat buildup to stay sharper longer
- 3-Flat Secure-Grip keeps the bit fixed within the chuck
