Power Tools
MX FUEL™ Equipment
Batteries, Chargers & Power Supplies
Site Lighting
Sewer & Drain Maintenance
Outdoor Power Equipment
Instruments
Hand Tools
Storage
Jobsite Apparel
Accessories
Safety Solutions
ONE-KEY
Support
New Pipeline
world leader in
cordless innovation
M125™ logo
M18™ Logo
MX FUEL™ logo
most versatile, durable
modular storage system
PACKOUT Modular Storage System

Sign Up / Log In

Where To Buy

US : : EN

Contact

Home
…
Products
Accessories
Metal Drilling
Twist Drill Bits
  • RED HELIX™ Cobalt Drill Bit Set – 29PC
  • Designed for use in PACKOUT Video Image Reel Asset
  • 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.
  • RED HELIX™ Cobalt Drill Bit Set – 29PC
  • Milwaukee Cobalt Drill Bit features a Quad Edge tip for lasting sharpness, Variable Helix geometry for faster material removal, thicker tapered web for increased durability, and a 3-flat Secure-Grip to prevent slipping in the chuck. This drill bit is highlighted against a red background.
  • 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.
48-89-2332

RED HELIX™ Cobalt Drill Bit Set – 29PC

Share

Includes (29)

The RED HELIX™ Cobalt 1/16" Drill Bit features a twisted design for efficient drilling. Its cobalt construction enhances durability, making it suitable for drilling through tough materials. The bit is thin and long, ideal for precise, smaller diameter holes.
(1)
1/16" COBALT RED HELIX™ Drill Bit
48-89-2301
The RED HELIX™ Cobalt 5/64" Drill Bit is a small, spiral-fluted drill bit made of cobalt. It features a gold finish, designed for durability and precise drilling in tough materials.
(1)
5/64" COBALT RED HELIX™ Drill Bit
48-89-2302
The RED HELIX™ Cobalt 3/32" Drill Bit features a sleek, gold-colored design with a spiral flute pattern, ideal for precision drilling in tough materials. The cobalt construction ensures durability and high performance for various drilling applications.
(1)
3/32" COBALT RED HELIX™ Drill Bit
48-89-2303
The RED HELIX™ Cobalt 7/64" Drill Bit is a slender, metallic drill bit designed with a spiral fluted body for efficient drilling. Its durable cobalt construction ensures long-lasting performance and precision drilling in tough materials.
(1)
7/64" COBALT RED HELIX™ Drill Bit
48-89-2304
The product is a RED HELIX™ Cobalt 1/8" Drill Bit. It has a metallic finish and a spiral design for efficient drilling. The bit is designed for durability and precision in metal and hard materials drilling.
(1)
1/8" COBALT RED HELIX™ Drill Bit
48-89-2305
The RED HELIX™ Cobalt 9/64" Drill Bit features a twisted design and a metallic finish, ideal for drilling through tough materials. The bit has a cylindrical shaft and a sharp, pointed tip for precise drilling performance.
(1)
9/64" COBALT RED HELIX™ Drill Bit
48-89-2306
The RED HELIX™ Cobalt 5/32" Drill Bit is a metallic tool with a twisted design for improved cutting efficiency. It features a bronze-colored cobalt coating, enhancing durability and heat resistance for drilling through tough materials. The bit measures 5/32 inches in diameter, suitable for various drilling applications.
(1)
5/32" COBALT RED HELIX™ Drill Bit
48-89-2307
The RED HELIX™ Cobalt 11/64" Drill Bit features a spiral design for efficient drilling. It is made from durable cobalt, ideal for high-speed applications and drilling through hard metals. The bit is cylindrical with a helical groove pattern and a sharp point at the tip.
(1)
11/64" COBALT RED HELIX™ Drill Bit
48-89-2308
The RED HELIX™ Cobalt 3/16" Drill Bit has a spiral flute design with a bronze finish. It is used for drilling in hard metals and offers enhanced durability and speed.
(1)
3/16" COBALT RED HELIX™ Drill Bit
48-89-2309
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.
(1)
13/64" COBALT RED HELIX™ Drill Bit
48-89-2310
The RED HELIX™ Cobalt 7/32" Drill Bit features a gold-colored metal construction with a spiral flute design. Engineered for durability and precision, it is intended for drilling through tough materials like stainless steel. The product name is engraved near the base.
(1)
7/32" COBALT RED HELIX™ Drill Bit
48-89-2311
Red Helix Cobalt 15/64-inch drill bit with a bronze finish, featuring a twisted design for enhanced cutting and durability.
(1)
15/64" COBALT RED HELIX™ Drill Bit
48-89-2312
The RED HELIX™ Cobalt 1/4" Drill Bit is a metal drill bit designed for durability and precision. It features a twist design with a bronze finish and a sharp, pointed tip.
(1)
1/4" COBALT RED HELIX™ Drill Bit
48-89-2313
RED HELIX Cobalt 17/64" Drill Bit, featuring a gold-colored, twisted design for enhanced cutting efficiency and durability.
(1)
17/64" COBALT RED HELIX™ Drill Bit
48-89-2314
The RED HELIX™ Cobalt 9/32" Drill Bit features a gold color and spiral fluting. It is designed for high performance in drilling metal and other tough materials. The bit has a cylindrical shank for compatibility with most drills.
(1)
9/32" COBALT RED HELIX™ Drill Bit
48-89-2315
The RED HELIX™ Cobalt 19/64" Drill Bit features a twisted shaft design with a golden finish, enhancing cutting efficiency and durability. Suitable for heavy-duty drilling tasks, the bit is aimed at professionals needing precision and strength in tough materials.
(1)
19/64" COBALT RED HELIX™ Drill Bit
48-89-2316
The RED HELIX™ Cobalt 5/16" Drill Bit features a spiral flute design and is made of cobalt steel. It is used for drilling through hard metals and surfaces. The bit has a bronze color and a hex shank for secure grip in drill chucks.
(1)
5/16" COBALT RED HELIX™ Drill Bit
48-89-2317
RED HELIX Cobalt 21/64" Drill Bit with spiral flutes and hex shank, designed for drilling into tough materials.
(1)
21/64" COBALT RED HELIX™ Drill Bit
48-89-2318
The RED HELIX Cobalt 11/32" Drill Bit features a bronze finish with a spiral flute design for efficient cutting and durability.
(1)
11/32" COBALT RED HELIX™ Drill Bit
48-89-2319
RED HELIX Cobalt 23/64" Drill Bit, featuring a twisted design and golden color, suitable for tough drilling tasks.
(1)
23/64" COBALT RED HELIX™ Drill Bit
48-89-2320
The RED HELIX™ Cobalt 3/8" Drill Bit features a gold-colored body with a helical flute design, suitable for high-strength drilling.
(1)
3/8" COBALT RED HELIX™ Drill Bit
48-89-2321
RED HELIX Cobalt 25/64" Drill Bit features a twisted design, bronze finish, and sturdy construction for drilling tough materials effectively.
(1)
25/64" COBALT RED HELIX™ Drill Bit
48-89-2322
RED HELIX Cobalt 27/64" Drill Bit with a hex shank and bronze finish, designed for durability and precision drilling.
(1)
27/64" COBALT RED HELIX™ Drill Bit
48-89-2324
The RED HELIX™ Cobalt 7/16" Drill Bit features a spiral design with a gold finish, optimized for cutting through metal. The bit's durable cobalt material ensures longevity and efficient drilling performance. Its fluted design aids in removing debris, enhancing the tool's effectiveness.
(1)
7/16" COBALT RED HELIX™ Drill Bit
48-89-2325
RED HELIX Cobalt 15/32" Drill Bit, featuring a spiral design and gold finish, designed for durability in tough materials.
(1)
15/32" COBALT RED HELIX™ Drill Bit
48-89-2327
RED HELIX Cobalt 1/2" Drill Bit with a gold metallic finish, featuring a spiral flute design for efficient drilling.
(1)
1/2" COBALT RED HELIX™ Drill Bit
48-89-2329
The RED HELIX™ Cobalt 13/32" Drill Bit is a metal drill bit featuring a twisted helix design and a brownish-gold color. It has a standard drill bit shank for compatibility with most drills and is designed for durability and efficiency in cutting through tough materials.
(1)
13/32" COBALT RED HELIX™ Drill Bit
48-89-2323
RED HELIX Cobalt 29/64" Drill Bit, featuring a spiraled design and metallic finish, suitable for drilling tough materials.
(1)
29/64" COBALT RED HELIX™ Drill Bit
48-89-2326
RED HELIX Cobalt 31/64" Drill Bit in a metallic bronze finish, featuring a twisted design and hexagonal shank.
(1)
31/64" COBALT RED HELIX™ Drill Bit
48-89-2328

Specs

Loading
Manuals
Parts List

Product Overview

Our MILWAUKEE® RED HELIX™ 29PC Cobalt Drill Bit Set is engineered for extreme durability and long life in hard metal applications. The QUAD EDGE™ tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with a VARIABLE HELIX™ flute that begins with an aggressive 35° helical angle and ends at 15° for rapid chip removal. The bit also features an internal thicker tapered web that greatly increases strength, reducing premature breakage. Ideal for various tough metal applications including but not limited to Stainless Steel, Cast Iron, and Thick Metal. MILWAUKEE® RED HELIX™ Cobalt Drill Bits provide up to 15X life vs. black oxide drill bits. The set is organized in a customizable accessory case designed for use in PACKOUT™.

  • RED HELIX™ Technology combines QUAD EDGE™ Tip, VARIABLE HELIX™ Flute, and thicker tapered web

  • QUAD EDGE Tip™ Stays Sharper Longer

  • VARIABLE HELIX™ flute designed for rapid chip removal

  • Thicker tapered web design increases bit strength

  • Cobalt for 15X Life vs. Black Oxide Drill Bits

  • 3-FLAT SECURE-GRIP™ prevents bit from slipping in chuck

  • Designed for use with Drill Drivers

  • Ideal for use in Hard Metals such as stainless steel, cast iron & black pipe as well as wood & plastics

  • Laser etched size for easy identification

  • Customizable accessory case is designed for use in PACKOUT™

Reviews

Additional Resources

Manuals
Warranty
Parts List
Fix My Tool

© 2026 by Milwaukee Tool. All rights reserved.

Legal
Patent
Safety Notices
Your Privacy Choices
Cookie Preferences
Privacy Notice
Contact Us