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5/16 in Milwaukee RED HELIX Cobalt Drill Bit

5/16 in Milwaukee RED HELIX Cobalt Drill Bit Add to Quote autorenew

5/16 in Milwaukee RED HELIX Cobalt Drill Bit


The MILWAUKEE® RED HELIX™ Cobalt 5/16" 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° Helix Angle which ends at 15°. The drill bits have QUADEDGE TIP™ to decrease heat buildup and drill faster. The 135° 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, providing up to 15X life vs. Black Oxide Drill Bits™.

  • Cobalt alloy for up to 15X Life vs. Black Oxide Drill Bits
  • QUADEDGE TIP™ designed to decrease heat build up and drill faster
  • 135° split point for precision start no walking
  • ENHANCED TAPERED WEB™ strengthens the bits core
  • VARIABLE HELIX™ Design for rapid material extraction
  • 3-Flat Secure-Grip™ helps keep the bit fixed within the the chuck
  • Designed for Hard Metals, PVC and Wood
  • Length: 4-1/2"
  • Coating: Cobalt
  • Variable Helix: yes
  • Chip Breaker: yes
  • Shank: 3-Flat
  • Flute Length: 3-3/16"
  • Application: Wood|Stainless Steel|Metal|Plastic|PVC
  • Diameter: 5/16"
  • Size: 5/16"
  • Decimal Equivalent: 0.3125
Code: 48-89-2317

For California Residents:

WARNING:Cancer and Reproductive Harm -

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