A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.

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This drill bit kit is engineered for extreme durability and long life in hard metal applications. The drill bits are designed with variable helix featuring an aggressive 35-degree Helix Angle ending at 15 degrees, allowing for quick chip removal and limiting heat buildup to stay sharper longer. The 135-degree split point bit tip delivers a precision start and prevents walking for fast, accurate holes. The heavy-duty drill bits are ideal for tough applications and provide Up to 10X life vs Black Oxide drill bits. Use the bit in the kit for any twist drilling applications.

  • Up to 10X Life vs. black oxide
  • RED HELIX design for rapid chip removal
  • 135-degree split point for precision start no walking
  • Chip breaker decreases heat buildup
  • Secure grip - prevents bit from slipping in chuck


  • 1/16 in. COBALT RED HELIX Drill Bit (48-89-2301)
  • 5/64 in. COBALT RED HELIX Drill Bit (48-89-2302)
  • 3/32 in. COBALT RED HELIX Drill Bit (48-89-2303)
  • 7/64 in. COBALT RED HELIX Drill Bit (48-89-2304)
  • 1/8 in. COBALT RED HELIX Drill Bit (48-89-2305)
  • 9/64 in. COBALT RED HELIX Drill Bit (48-89-2306)
  • 5/32 in. COBALT RED HELIX Drill Bit (48-89-2307)
  • 3/16 in. COBALT RED HELIX (48-89-2309)
  • 7/32 in. COBALT RED HELIX (48-89-2311)
  • (2) 1/4 in. COBALT RED HELIX (48-89-2313)
  • 5/16 in. COBALT RED HELIX (48-89-2317)
  • 3/8 in. COBALT RED HELIX (48-89-2321)
  • 1/2 in. COBALT RED HELIX (48-89-2329)
BrandMilwaukee Tool
Part Number48-89-2332
Line CodeMPT
TerminologyDrill Bit Set
For warranty information please contact Auto-Wares.