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Metal Drilling
Twist Drill Bits
  • 48-89-2310 Primary Image
  • The Red Helix Cobalt drill bit offers increased durability and faster drilling. It provides up to 15 times longer life compared to black oxide drill bits. The image displays the drill bit actively cutting through metal, highlighting its robust and efficient performance qualities.
  • Cobalt Drill Bits are ideal for drilling various materials including wood, PVC, copper, aluminum, duct/sheet metal, angle iron, metal, cast iron, and stainless steel. They are compatible with all drill/drivers.
  • The 13/64 in. Cobalt Red Helix Drill Bit features a Quad Edge tip, Variable Helix fluted geometry for faster material removal, Thicker Tapered Web for increased bit strength, and 3 Flat Secure-Grip to prevent slipping. Dimensions are 2.44 inches and 3.62 inches. The product claims durability and faster holes.
  • Comparison chart showing Cobalt Drill Bit as suitable for hard metal applications, lasting up to 15 times longer than black oxide bits. It has a 3-flat secure grip shank and is used with drills/drivers. Other options include Black Oxide and Shockwave, which are suitable for general purposes and metal respectively.
  • The RED HELIX™ Cobalt 1/2" Drill Bit is shown being used with a power drill to cut through a piece of metal, creating metal shavings. The background displays an industrial work environment.
  • The RED HELIX™ Cobalt 3/8" Drill Bit is attached to a drill and is actively drilling into a metal surface, creating fine metal shavings. The drill is held by a hand and positioned above a square metal object, with industrial pipes in the background.
48-89-2310

13/64" COBALT RED HELIX™ Drill Bit

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The RED HELIX™ Cobalt 13/64" Drill Bit features a high-speed spiral design and a durable, cobalt finish. Ideal for drilling in hard metals, it has a 13/64-inch diameter and is designed for strength and longevity.

Bit Diameter: 13/64"

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Product Overview

Milwaukee® 13/64" Cobalt Red Helix™ Drill Bit

  • 135° split point for precision start no walking

  • CHIP BREAKER™ Decreased Heat Buildup

  • RED HELIX™ Design for Rapid Chip Removal™

  • Secure Grip™ - Prevents bit from slipping in chuck

  • Up to 10X Life vs. Black Oxide

  • 3-Flat Secure-Grip™ helps keep the bit fixed within the the chuck

  • Designed for Hard Metals, PVC and Wood

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