Twist Bit 1/4 In Thunderbolt

Drill Bit

1/4" x 4.09", 3-3/4" L Parabolic/Twist Flute, Cobalt Coated, 135D Split Point, Drill Bit (1 per Pack)
Cobalt Alloy for up to 15X Life Vs. Black Oxide Drill Bits; 135 Degree Split Point for Precision Start No Walking; Enhanced Tapered Web™ Strengthens the Bits Core; 3-Flat Secure-Grip™ Helps Keep the Bit Fixed within the Chuck; Variable Helix™ Design for Rapid Material Extraction; Designed for Hard Metals, Pac and Wood; Quadedge Tip™ Designed to Decrease Heat Build up and Drill Faster
The Milwaukee® RED HELIX™ Cobalt 1/4" Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a VARIABLE HELIX™ that includes an aggressive 35 Degree Helix Angle which ends at 15 Degree. The drill bits have QUADEDGE TIP™ to decrease heat buildup and drill faster. The 135 Degree split point tip delivers a precision start and prevents walking for fast, accurate holes in Hard Metal, PVC and wood. The tapered drill bits feature a new ENHANCED TAPERED WEB™ that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications.
Application Wood, Stainless Steel, Metal, Plastic, PVC