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.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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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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Verified Purchase
Julie Solomon
Charlottesville, US
★★★★★ 5
Baby safe
Size: 0.47 Ounce (Pack of 1)
Minimal ingredients, great for sensitive skin, does its job well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
S
Verified Purchase
Sunshine
Cuba, US
★★★★★ 5
Great for adult faces too
Size: 0.47 Ounce (Pack of 1)
Advertised for babies but this is my go to sunscreen for my face, especially when traveling. It is a stick so doesn't have to go in your liquids bag for TSA. No worrying about it leaking either. Easy to use, and works well. It does leave a whitish cast but that helps me make sure I got every spot covered. Would rather have a whitish cast then end up red with sunburn.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 17, 2025
A
Verified Purchase
Anne
Houston, US
★★★★★ 4
Tear Free and No Sunburn
Size: 0.47 Ounce (Pack of 1)
This stick is pretty small, but great for carrying with you. It does not glide very well across the skin, however, my son's eyes are very sensitive and it prevents it from gliding too far over and risking burning his eyes. Spreading with fingers afterwards is always a good idea, leaves a bit of a cast but I am very fair so not too bad, easy for reapplication as well. The only major drawback is how drying this product is to the skin, not immediately, but over the course of several days. Not sure if that is all 100% zinc oxide products, or if this one is just lacking in something. Overall a good safe option for little faces that is tear free and wont run or burn eyes, and that works against UV.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2024
T
Verified Purchase
Thomas Birtch Jr
Port Orchard, US
★★★★★ 5
Sun care for Babies.
Size: 0.47 Ounce (Pack of 1)
Great scent, coverage, and good on sensitive skin. My grand daughter is a blond, peaches and cream complexion, the sunblock works. No sunburned nose or cheeks this summer. We applied a swipe about every 90 min and it works for us. The little one has sensitive skin and we try to protect her completely. This product is now part of her sun care regimen. ( I even applied it to her hair part and ears)
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Reviewed in the United States on August 29, 2025
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Verified Purchase
VanNess Walgamott
Birmingham, US
★★★★★ 5
I love sticks. Convenient and no product runs.
Size: 0.47 Ounce (Pack of 1)
Purchased for my toddlers 3 - 5 years old faces. Easy to apply. Doesn’t break out or irritate skin. Prevents sun burn if you apply About 30 mins before water play or outdoor play in heat. Doesn’t bother their eyes. I like the sticks so I can smooth over face and cheeks with out the sun screen running. Good stuff.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 28, 2025

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