SKU: 52528542955

Milwaukee RED HELIX Cobalt Twist Drill Bit, 3/8 in. Diameter, 5 in. Length

Sale price$13.92 Regular price$15.47
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Description

Milwaukee RED HELIX Cobalt Twist Drill Bit, 3/8 in. Diameter, 5 in. Length3 8 in. Cobalt Twist Drill Bit for Hard Metals Milwaukees RED HELIX cobalt twist drill bit is engineered for extreme durability and fast drilling in hard metals. A QuadEdge tip and variable helix design improve chip removal and reduce heat, while a thicker tapered web boosts strength for longer life versus black oxide bits. Key Features: Durable Cobalt Construction: Up to 15x life vs. black oxide bits in hard metals Precision Starts: 135 split point

3/8 in. Cobalt Twist Drill Bit for Hard Metals

Milwaukee’s RED HELIX cobalt twist drill bit is engineered for extreme durability and fast drilling in hard metals. A QuadEdge tip and variable helix design improve chip removal and reduce heat, while a thicker tapered web boosts strength for longer life versus black oxide bits.


Key Features:

  • Durable Cobalt Construction: Up to 15x life vs. black oxide bits in hard metals
  • Precision Starts: 135° split point reduces walking for cleaner holes
  • Variable Helix Flutes: 35°–15° geometry accelerates material extraction
  • QuadEdge Tip: Stays sharper longer and drills faster with less heat
  • Secure 3-Flat Shank: Prevents bit slipping in the chuck for better control

Specifications Table:

Specification Details
Bit Material Cobalt
Drill Bit Type Twist
Drill Bit Type(s) Included Twist
Individual/Set Individual
Number of Pieces 1
Pack Size 1
Material Application Aluminum, Cast Iron, Duct/Sheet Metal, Stainless Steel, Steel
Tools Product Type Power Tool
Shank Style 3-Flat
Shank Diameter 3/8 in
Bit Diameter 3/8 in
Bit Length (in.) 5
Item Weight 0.1 lb
Drilling Depth (in) 3.74
Returnable 180-Day
Features QuadEdge tip, Variable Helix design, Enhanced tapered web, 135° split point

Frequently Asked Questions (FAQ):

Q: What materials can this bit drill?
A: Designed for aluminum, cast iron, duct/sheet metal, stainless steel, steel, PVC, wood, and more.


Q: What is the shank style?
A: 3-Flat Secure-Grip shank to reduce slipping in the chuck.


Q: What are the dimensions?
A: Bit diameter is 3/8 in.; overall length is 5 in.; shank diameter is 3/8 in.


Q: Is this sold as a single bit or a set?
A: Individual bit (pack size: 1).


Q: Will it work with standard drill/drivers?
A: Yes, it’s compatible with all drill/drivers.


Industrial Precision, Elevated

This sleek cobalt bit brings a refined, hardworking edge to workshop essentials, turning metalwork into a crisp, confident act. The variable helix fluting is a standout, channeling chips away with sculptural ease for smoother, faster holes. Pair it with a brushed-steel drill/driver and a clean pegboard wall to create a purposeful, modern workspace. It’s a small luxury of performance—precise, enduring, and indispensable.


Upgrade your drill kit with Milwaukee’s RED HELIX cobalt bit for faster, longer-lasting performance in hard metals.

Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52528542955

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4.3 ★★★★★
Based on 9 reviews
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O
Verified Purchase
O. miller
Charlottesville, US
★★★★★ 5
Grill kit for bmw
Very easy to install snapped right in. Perfect . Would highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2019
M
Verified Purchase
matthew palen
Charlottesville, US
★★★★★ 1
Buy OEM
Finish is fine but sizing is wrong and these don't fit tight but rattle. About 3/4" movement in all ways, which will lead to scratched paint. If you've got a beater, these are fine but for my clean M3, I'll buy OEM from FCP or Turner.
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Reviewed in the United States on June 15, 2024
B
Verified Purchase
Brown, Dwayne
Lexington, US
★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
H
Verified Purchase
Holly Rowe
Lake Worth, US
★★★★★ 5
Fits like factory
Fits as should. No issues installing
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Reviewed in the United States on May 19, 2026
A
Verified Purchase
Aaron Schroeder
New York, US
★★★★★ 5
Fit well
All good
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Reviewed in the United States on January 20, 2026

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