Milwaukee 3/8 in. Cobalt Thunderbolt Twist Drill Bit
$15.40
Engineered for extreme durability, these Milwaukee Cobalt drill bits provide up to 15x longer life than black oxide bits in hard metal applications. The QuadEdge Tip and Variable Helix design work together to decrease heat buildup and ensure rapid material extraction for faster, more efficient drilling.
Milwaukee 3/8 in. Cobalt Thunderbolt Twist Drill Bit
Description
Engineered for extreme durability, these Milwaukee Cobalt drill bits provide up to 15x longer life than black oxide bits in hard metal applications. The QuadEdge Tip and Variable Helix design work together to decrease heat buildup and ensure rapid material extraction for faster, more efficient drilling.
Cobalt alloy construction provides up to 15x longer life compared to black oxide drill bits
QuadEdge Tip technology decreases heat buildup to allow for faster drilling speeds
Variable Helix design with an aggressive 35° angle ensures rapid material extraction
135° split point tip delivers a precision start and prevents walking
Enhanced Tapered Web strengthens the bit's core to increase flute durability
3-Flat Secure-Grip shank helps keep the bit fixed within the chuck
Versatile application for hard metals, stainless steel, aluminum, PVC, and wood
