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Milwaukee Electric Tools 48-89-2329 Milwaukee Tool 1/2" Cobalt Red Helix Drill Bit

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SKU:
21505510
MPN:
48-89-2329
Availability:
Usually ships the same or next business day. In stock at our GA warehouse.
Shipping:
Calculated at Checkout
Stock Update:
07/24/2026 12:29:45 AM PST
$25.68
Stock Update:
07/24/2026 12:29:45 AM PST
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Description

This item is brand-new, factory sealed.

Milwaukee 48-89-2329 1/2-Inch Thunderbolt Cobalt Drill Bit
  • 135 degree Split Point, Precision Start No Walking
  • 3-Flat Secure Grip Shank, Reduces Bit Slipping in Chuck
  • Specialty Bit for Cast Iron and Stainless Steel
  • Cutting Diameter: 12.7 Millimeters
  • Item Dimensions: 5.91 x 0.39 x 5.91 inches
  • Minimum Bore Diameter: 0.5 Inches
  • Material Type: Cobalt
  • Finish Types: Black Oxide
  • Shank Type: 3-Flat
  • Surface Recommendation: Metal
  • Cutting Angle String: 135 Degrees
  • Tool Flute Type: Parabolic
  • Point Style: Split Point
  • Number of Flutes: 2
  • Brand Name: Milwaukee
  • Model: 48-89-2329
  • UPC: 045242188444
  • Global Trade Identification Number: 00045242188444
  • Manufacturer: Milwaukee
  • Included Components: (1) 1/2" COBALT RED HELIX Drill Bit (48-89-2329)
  • Unit Count: 1 Count
Product Description

Designed for extreme durability and long life. For specialty drilling in hard metals like stainless steel. Parabolic flute form clears chips and debris fast to keep the bit cool. Ideal for drilling on curved surfaces. 135 degree split point tip starts on contact to keep the bit from walking for fast accurate holes. Thick core provides strength and protects against side load breakage. Milwaukee 1/2 In. Cobalt Red.

From the Manufacturer

Milwaukee Thunderbolt Cobalt drill bits are designed for extreme durability and long life in specialty applications. The Thunderbolt web features a thicker core than a standard drill bit, which provides ultimate strength and protects against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 Split Point tip starts on contact to keep the bit from walking for fast accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Milwaukee Electric Tools 48-89-2329 Milwaukee Tool 1/2" Cobalt Red Helix Drill Bit
$25.68