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7/64 in. Cobalt Red Helix Twist Drill Bit

$427
  • 135° split point for precision start no walking
  • RED HELIX for rapid material extraction
  • ENHANCED TAPERED WEB increases flute durability & core strength
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Product Overview

The MILWAUKEE RED HELIX Cobalt 7/64 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a VARIABLE HELIX that includes an aggressive 35 degree Helix Angle which ends at 15 degree . The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in Hard Metal, PVC and wood.The tapered drill bits feature a new ENHANCED TAPERED WEB that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. Black Oxide Drill Bits.
  • Cobalt alloy for up to 15x life vs. black oxide drill bits
  • ENHANCED TAPERED WEB strengthens the bits core
  • VARIABLE HELIX Design for rapid material extraction
  • 3-Flat Secure-Grip helps keep the bit fixed within the the chuck
  • Designed for Hard Metals, PVC and Wood
  • Shop All Milwaukee Tools

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Customer Reviews

  • 4.1
    out of 1,523 reviews
  • 66%recommend this product
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Showing 1-10 of 1,523 reviews
Milwaukee 3/8 in. Cobalt Drill bit
Cut through my 1/8” metal mounting bracket like cutting through butter. Had to increase bolt hole size by double and had no trouble…
by
  • Verified Purchase
  • Recommended
worked perfect for drilling and was able to mount my...
worked perfect for drilling and was able to mount my tv.
by
  • Verified Purchase
1drill bit; so many holes!
I bought several of these bits, to drill into 1/4” angle iron to install a trailer bed. Based on cheaper brands, I thought I’d need a bunch of them to do the job. I used the 17/64ths bit. The first bit just broke off at hole number 60. Incredible quality to keep making hole after hole. After slogging through using cheapie bits, this is a pleasant relief. Totally worth the money. If you are using a 5/16th self tapping screw the 17/64th bit makes an excellent pilot hole. I’m sold on Milwaukee!
by
    • Recommended
    CORRECTION
    I would like to take back my negative review for 7/64 Milwaukee Cobalt bit . The hole I was trying to drill was at the angle and at a difficult location. The drill bit is excellent. I never seen a bit flex so much and not break. P.S. HD, fix the picture and a title for the review pop up. It does not match the link!
    by
      • Recommended
      1 found this review helpful
      Waste of money & time
      Cannot drill through a piece of steel < 1/32' thick with a power drill. I gave up. Going to return this bit back to HD.
      by
      Response from Milwaukee ToolAug 31, 2020
      Hello, this is Elise with Milwaukee Tool. GreaseMonkey, thank you for your review. I am sorry to hear about your frustrations with your drill bit. We'd value the opportunity to learn more about your frustrations with your Milwaukee Tool, and to provide you with support. Please feel free to contact us directly at socialmedia@milwaukeetool.com. It will be our pleasure to provide support once we have received your correspondence. Thank You
        3 found this review helpful
        works good
        I used this bit to drill through some small mending plates and it worked with no issues. I just started with smaller bits and worked my way up to this one. The tip of the bit is nice and bites into material good without slipping. The only dislike is that it is kind of expensive and I wish it could be included in the other cobalt milwaukee drill bit kit that I have. I have had this bit for about a week now and it does meet my expectations. Please hit thumbs up if this was helpful
        by
          • Recommended
          8 found this review helpful
          I like that this bit is meant for hard metal. This is a very sharp bit and does a good job of cut...
          I like that this bit is meant for hard metal. This is a very sharp bit and does a good job of cutting. The downside that I've noticed is that the cutting edge of the bit easily chips. It's disappointing, considering how much it costs, for the edge to chip and break. If it doesn't chip it does a great job of cutting.
          by
          • Verified Purchase
          Bit was dull after 4 holes,don't think its intended for stainless steel .I will be returning this...
          Bit was dull after 4 holes,don't think its intended for stainless steel .I will be returning this item for refund.
          by
          Response from Milwaukee ToolNov 4, 2019
          Hello, this is Mackenzie with Milwaukee Tool. Bill, thank you for your review. We are sorry that your experience at Milwaukee Tool didn’t quite match your expectations. We would love to know more, so that we can deliver a better experience next time. You may reach us anytime at socialmedia@milwaukeetool.com Thank You.
          • Verified Purchase
          5 found this review helpful
          Time saving, clean and straight thru 1/8" mild steel with little effort - repeatedly.
          Time saving, clean and straight thru 1/8" mild steel with little effort - repeatedly.
          by
          • Verified Purchase
          • Recommended
          Was able to drill about 14 holes in angle iron of a utility trailer before it became completely d...
          Was able to drill about 14 holes in angle iron of a utility trailer before it became completely dull. Bought a second one to finish the job.
          by
          • Verified Purchase
          • Recommended
          4 found this review helpful
          Showing 1-10 of 1,523 reviews