Milwaukee 48-89-2313 1/4in Cobalt RED HELIX Twist Drill Bit

Description

The 1/4 in. Cobalt RED HELIX Twist Drill Bit is designed to deliver exceptional strength and long-term performance when drilling through tough metals. Its advanced variable helix design, starting at an aggressive 35° and transitioning to 15°, promotes fast chip evacuation, lowers heat buildup, and helps maintain a sharp cutting edge.

Featuring a QUAD EDGE 135° split-point tip, this drill bit provides accurate, wobble-free starts and creates clean, precise holes with ease. The four-cutting-edge configuration produces smaller chips for smoother drilling, improved heat control, and extended bit life. An enhanced internal taper web reinforces the bit’s core, increasing durability and reducing the risk of breakage during heavy-duty use.

Finished with a premium cobalt coating, this drill bit offers up to 10X longer life compared to standard black oxide bits, making it a reliable solution for high-performance twist drilling in demanding applications.

Key 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

What's Included:

• 1 × 1/4 in. Cobalt RED HELIX Twist Drill Bit

Warranty Information:

•   Milwaukee’s warranty and service details can be easily reviewed on the Milwaukee General Warranty Information page.  

Specifications: