SKU: 88222705379

Milwaukee 1/2 in. Cobalt RED HELIX Twist Drill Bit, 6 in Length, 3-Flat Shank

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Description

Milwaukee 1/2 in. Cobalt RED HELIX Twist Drill Bit, 6 in Length, 3-Flat Shank1 2 in. Cobalt RED HELIX Twist Drill Bit Milwaukees RED HELIX cobalt twist bit powers through hard metals with speed and longevity. Its QuadEdge tip and variable 3515 helix clear chips fast, while a thicker tapered web and 3 Flat Secure Grip shank boost durability and hold in the chuck. Key Features: Long Life Cobalt Alloy: Up to 15x life vs. black oxide bits in hard metals QuadEdge Tip: Reduces heat build up for faster, cleaner starts with 135 split

1/2 in. Cobalt RED HELIX Twist Drill Bit

Milwaukee’s RED HELIX cobalt twist bit powers through hard metals with speed and longevity. Its QuadEdge tip and variable 35°–15° helix clear chips fast, while a thicker tapered web and 3-Flat Secure-Grip shank boost durability and hold in the chuck.


Key Features:

  • Long-Life Cobalt Alloy: Up to 15x life vs. black oxide bits in hard metals
  • QuadEdge Tip: Reduces heat build-up for faster, cleaner starts with 135° split point
  • Variable Helix: 35°–15° flute geometry accelerates chip evacuation for quicker holes
  • Thicker Tapered Web: Strengthens the core to resist breakage and stay sharper longer
  • 3-Flat Secure-Grip Shank: Prevents bit from slipping in the chuck for consistent performance

Specifications Table:

Specification Details
Bit Diameter 1/2 in
Bit Length 6 in
Drilling Depth 4.5 in
Bit Material Cobalt
Drill Bit Type Twist
Drill Bit Type(s) Included Twist
Shank Style 3-Flat Secure-Grip
Shank Diameter 3/8 in
Individual/Set Individual
Number of Pieces 1
Pack Size 1
Material Application Aluminum, Cast Iron, Duct/Sheet Metal, Stainless Steel, Steel; also PVC and wood
Tools Product Type Power Tool Accessory
Self-Feeding No
Item Weight 0.22 lb
Point Angle 135° split point
Helix Variable 35°–15°
Features QuadEdge tip, Enhanced tapered web, Variable Helix, 3-Flat shank
Assembled Width 5.12 in
Assembled Height 1/2 in
Assembled Depth 1/2 in

Frequently Asked Questions (FAQ):

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


Q: What is the shank type and size?
A: It uses a 3-Flat Secure-Grip shank with a 3/8 in. shank diameter for better chuck grip.


Q: How long is the bit and how deep can it drill?
A: Overall length is 6 in., with approximately 4.5 in. drilling depth.


Q: Does it require a pilot hole?
A: The 135° split point helps prevent walking, often eliminating the need for a pilot hole.


Q: Can it be used with impact drivers?
A: It’s intended for drill/drivers; use a standard drill with appropriate speed and cutting fluid on hard metals.


Industrial Precision, Engineered to Endure

This cobalt twist bit brings a refined, industrial elegance to the workshop—its warm metallic hue and helical lines feel sculptural yet purposeful. The QuadEdge tip is the hero, biting into steel with poise while the variable helix sweeps chips away like a practiced hand. Style it in a neatly arranged drill caddy beside brushed steel tools to echo its engineered rhythm. For projects that demand crisp, confident holes, this bit is the quiet luxury your toolkit deserves.


AI Review Summary:

Across retailer reviews, users praise the bit’s ability to cut cleanly through stainless and thick steel while lasting longer than black oxide bits. Many highlight reduced walking and quick chip removal; several recommend using cutting oil and slower RPMs on hard metals for best results. A minority note that prolonged high-speed drilling without lubrication can dull the edge or cause heat discoloration. Quotes: “Went through 1/4-in stainless like butter,” “Holds sharpness after multiple holes,” and “Use oil—ran it hot once and it dulled.” Overall sentiment is strongly positive for durability and performance in metalwork.


Drill faster, cleaner holes in hard metal—add this Milwaukee RED HELIX cobalt bit to your cart today.

Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 88222705379

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