SKU: 42974126041

Milwaukee Cobalt RED HELIX Twist Drill Bit Set for Drill Drivers, 29-Piece (3-Flat Shank)

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Description

Milwaukee Cobalt RED HELIX Twist Drill Bit Set for Drill Drivers, 29-Piece (3-Flat Shank)Milwaukee 29Piece Cobalt RED HELIX Drill Bit Set Heavy duty cobalt twist bits engineered for hard metals and tough jobs. RED HELIX design with Quad Edge tip and a thicker tapered web delivers faster chip removal and long life, with a 3Flat SecureGrip shank for solid chuck hold. Key Features: Long Life Cobalt Construction: Up to 15x life vs. black oxide in hard metal applications Faster Starts & Drilling: 135 split point QuadEdge tip reduces walking

Milwaukee 29‑Piece Cobalt RED HELIX Drill Bit Set

Heavy-duty cobalt twist bits engineered for hard metals and tough jobs. RED HELIX design with Quad Edge tip and a thicker tapered web delivers faster chip removal and long life, with a 3‑Flat Secure‑Grip shank for solid chuck hold.


Key Features:

  • Long-Life Cobalt Construction: Up to 15x life vs. black oxide in hard metal applications
  • Faster Starts & Drilling: 135° split point QuadEdge tip reduces walking and heat build-up
  • Rapid Chip Removal: Variable Helix geometry (35°–15°) clears material quickly
  • Stronger Core: Enhanced tapered web increases flute durability and resists breakage
  • Secure Holding Power: 3‑Flat Secure‑Grip shank prevents bit slippage in drill chucks

Specifications Table:

Specification Details
Set Size 29 pieces
Bit Material Cobalt
Drill Bit Type Twist
Drill Bit Type(s) Included Twist
Shank Style 3-Flat Secure-Grip
Point Angle 135° split point
Helix Variable Helix 35°–15°
Features QuadEdge tip; enhanced tapered web; laser-etched size markings
Material Applications Hard metal (stainless steel, cast iron, black pipe), sheet metal, wood, plastics, PVC
Includes Sizes 1/16 in.–1/2 in. in 1/64 in. increments; customizable large deep case
Individual/Set Set
Product Dimensions Depth 1.5 in; Height 7.2 in; Width 9 in
Item Weight 2.87 lb

Frequently Asked Questions (FAQ):

Q: What materials can these bits drill?
A: Designed for hard metals like stainless steel, cast iron and black pipe, and also work on sheet metal, wood and plastics/PVC.


Q: Are these compatible with impact drivers?
A: They are optimized for use with drill/drivers; use with an impact is not recommended for best life.


Q: What sizes are included?
A: 29 sizes from 1/16 in. to 1/2 in. in 1/64 in. increments; size markings are laser etched for easy ID.


Q: What shank style do they have?
A: 3‑Flat Secure‑Grip shanks to reduce slipping in the chuck.


Q: Is a case included?
A: Yes, a customizable large deep case compatible with Packout storage is included.


Industrial Precision, Beautifully Organized

This cobalt set brings a refined, hardworking polish to the workshop—sleek brass-toned bits cradled in Milwaukee’s iconic red case. The sculpted flutes and Quad Edge tip feel like purposeful jewelry for makers, marrying strength with elegance. Style it on an open shelf or wall rack so the bold case becomes a graphic accent in your tool zone. It’s a luxurious essential for anyone who demands performance with design integrity.


AI Review Summary:

Across major retailers, buyers praise the set’s durability in stainless and cast iron, noting fast starts and reduced walking due to the split-point tips. Many highlight clean holes and long life compared with black oxide bits, with the case organization appreciated for size visibility. Neutral feedback mentions that aggressive feed rates can still overheat bits and recommends cutting fluid. A recurring complaint is that the largest sizes dull sooner under heavy continuous drilling or if used in impact drivers. Representative quotes: “Chews through 1/4" stainless where my old set failed,” “Size markings are easy to read and stay visible,” and “Use lube and moderate speed—otherwise they’ll get hot.”


Equip your drill with Milwaukee’s cobalt RED HELIX set and power through hard metal with speed, precision, and confidence—add it 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
  • 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: 42974126041

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Elizabeth Meei
Phoenix, US
★★★★★ 5
So pretty and functional!
Color: Gold, Size: 33.9"W, Color: Gold, Size: 33.9"W
This cart arrived promptly and was easy to put together for me! I love the 2 mirror shelves, which I had specifically searched for. Usually the shelves on these bar carts are just glass and not mirrored, which means you see right through to the next level, which is wine bottles and the floor. I thought the mirrored shelves reflecting back just what’s placed on it looks so much more elegant. I also like the gold color, but just so you know, it is not the jewelry gold color, but more of a matte metallic taupey-gold (hard to describe). The color is pretty, but not the shiny, yellowish gold color that it appears to be on this seller’s pictures. I added another gold tabletop wine holder (also from Amazon) on the lower shelf and you can see what I mean by the color. Overall, I am pleased with the price, elegant look, easy assembly, the maneuverability, and how much it holds.
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Reviewed in the United States on September 17, 2024
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Verified Purchase
Lauren
Birmingham, US
★★★★★ 5
yes ma’am 🍸
Color: Gold, Size: 33.9"W
exactly what hat i’ve been looking for!!! no complaints. so so cute and functional.
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Reviewed in the United States on April 6, 2026
D
Verified Purchase
Deborah Taylor
Alexandria, US
★★★★★ 5
Sturdy, smaller sized supply caddy-well crafted.
Size: 5 Tiers (5.1"D x 39.2"H), Color: Rustic Brown + Classic Black
Why did you pick this product vs others?: Started out asking friends what they use for a cart - to clear stuff off their drawing boards, desks, etc. I've got an unusual amount of "things" in my workspace, and although I keep paints in a separate caddy to one side on my drafting table, the topside clutter was getting unbearable. Due to people giving me things, my interest in a few crafts, and just junk. Mainly I use the my wonderful, old, 1950s school cast-off - drafting table for painting - as it tilts and I have an edge on it. I've been wanting to also replace the top board, too. The usual caddies didn't appeal to me - the plastic ones annoy me as I can't see in the bins at what I should easily be able to reach and cannot see-though the opaque plastic. As I purged the clutter I realized I needed way less than I had and that's how I determined the size of the rolling cart. I use my spare garage and I have a lot of space, but that's the kicker - the more space you have the more things you could have, too. That's my reasoning for choosing a smaller cart. Narrow, to keep it minimal. Black metal to hide dirt. Wheels? a bonus - I'll just pull it back and forth out of its space--it's not going to be a trolley. I picked this one out of several because of price, and size, but I may come back at another time to purchase a larger one for the coat closet - mittens & hats & ski goggles & stuff.  I am going to look at the same brand, but I'm also going to choose one with sturdier wheels.  THIS CART was easy to put together, no issues at all. I didn't time myself - it took a while - under an hour is my best guess due to all the small pieces. I know it was manufactured this way to be able to fit it in as small a space-box for shipping, as possible. It was tedious, but certainly not an issue. Just lay it out the way the diagrams show you - they are perfectly done. It's sturdy enough as a supply caddy - you can't sit on the thing, or let kids romp on it but it's stiff in all the right places and the handle is perfectly placed. The top of it will hold my tablet or phone - next to my table; it's not a decor piece, but the black finish does look rather nice -with the faux wood/wood laminate top. Basket depth is well thought out, too. Coffee cans with paint brushes, some other tools, but the best part is no more clutter taking up space on top of my drafting table and I can actually use it the way it was intended! 
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Reviewed in the United States on June 30, 2025
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John
Belleville, US
★★★★★ 5
Great cart!!
Size: 4 Tiers (5.1"D x 30.3"H), Color: Ebony Black + Classic Black
Great cart! It fits in small spaces. Great quality very sturdy. It rolls easy and easy to assemble.
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Reviewed in the United States on May 12, 2026
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Verified Purchase
Chef Susan
San Leandro, US
★★★★★ 4
Perfect fit
Size: 5 Tiers (5.1"D x 39.2"H), Color: Oak Beige + Classic White, Size: 5 Tiers (5.1"D x 39.2"H), Color: Oak Beige + Classic White
I was hesitant about ordering after reading some of the reviews, however it was exactly what I was looking for. It turned out to be a good investment, however the reviews were correct about the wobbly wheels. For the $ the wheels should have been made with better quality, which would have given the product more steadiness. Overall, a good product and it was easy to put together.
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Reviewed in the United States on January 12, 2026

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