Milwaukee 48-89-2305 1/8in Cobalt RED HELIX Twist Drill Bit

Description

The 1/8 in. Cobalt RED HELIX Twist Drill Bit is built for exceptional strength and performance in tough metal drilling. Featuring a variable helix design, the flute angle transitions from 35° to 15°, allowing faster chip evacuation while reducing heat and preserving edge sharpness. The QUAD EDGE 135° split point tip provides accurate starts without walking, delivering fast and precise holes. Its four cutting edges produce smaller chips for quicker removal, which helps lower operating temperature and extends tool life. A reinforced internal taper web increases core strength to resist breakage during heavy use. With cobalt coating, this drill bit offers up to 10× longer life than standard black oxide bits, making it ideal for demanding drilling applications in hard metals.

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 × 1/8 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: