Description

The 31/64" Cobalt RED HELIX Twist Drill Bit is built for heavy-duty drilling in tough metals, delivering long-lasting performance and precision. Its advanced variable helix design, transitioning from a steep 35° to 15°, promotes fast chip evacuation, reduces heat buildup, and helps retain a sharp cutting edge. The 135° QUAD EDGE split point enables clean, accurate starts without wandering, while the four-edge cutting geometry produces smaller chips for smoother drilling and improved bit life. A reinforced internal web adds strength to resist breakage under high stress. Finished with a durable cobalt coating, this drill bit offers significantly extended wear life compared to standard black oxide bits, making it a dependable solution for demanding drilling 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 × 31/64" 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: