Milwaukee Tool 48-89-4621 3/8"...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$17.47
Milwaukee Tool 48-89-4621 3/8" SHOCKWAVE, Impact Duty RED HELIX, Titanium Drill Bit

Milwaukee Tool 48-89-4621 3/8" SHOCKWAVE, Impact Duty RED HELIX, Titanium Drill Bit

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Model: 48-89-4621

In Stock (leaves warehouse same day if ordered before 3pm ET)

$17.47
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3/8" SHOCKWAVE, Impact Duty RED HELIX, Titanium Drill Bit

  • Features

    • 135 degree split point for precision start no walking
    • SHOCKWAVE, Impact duty, engineered for drills and impacts
    • CHIP BREAKER, decreased heat buildup
    • RED HELIX, design for Rapid Chip Removal,
    • Titanium coating for up to 3X life vs. black oxide

Manufacturer Resources

Product Specs

Product Type:
Twist Drill Bit
Department:
Tools
Product Subgroup:
Drill & Driver Bits
Bit Type:
Twist
Product Group:
Power Tools & Accessories

Milwaukee 48-89-4621 – Frequently Asked Questions

1) Can I run a Milwaukee SHOCKWAVE RED HELIX titanium drill bit in an impact driver, or does it need a drill?
Either one. The SHOCKWAVE Impact Duty RED HELIX titanium bit is engineered for both drills and impact drivers, so you can leave it in the impact driver you already have on the belt instead of switching tools. That is the main reason to pick it over a standard jobber bit, which is built for rotary drilling only.
2) Will a Milwaukee 48-89-4621 titanium bit wander when starting a hole in steel?
It is ground with a 135 degree split point, which cuts on contact and starts without walking, so you can skip center punching on flat stock in most cases. On a curved or slick surface a punch mark is still the safer habit.
3) Can a Lenox diamond grit drill bit be used in place of the Milwaukee 48-89-4621 SHOCKWAVE titanium bit?
No, they are built for different materials. The Milwaukee 48-89-4621 is a twist drill bit with a 135 degree split point and titanium coating, engineered for drills and impact drivers on metal and general construction drilling. The Lenox 12111-10DGHS is a 5/8 inch diamond grit bit from the D/S-10Dg series, which uses an abrasive grit edge rather than a cutting flute and is intended for hard, abrasive materials such as tile and masonry-type work. A diamond grit bit will not cut metal like a split point twist bit, and the twist bit will not survive abrasive tile.
4) Is a titanium coated drill bit actually worth it over black oxide for daily MRO work?
Milwaukee rates the titanium coating on the SHOCKWAVE RED HELIX bits at up to 3X the life of black oxide. For a maintenance crew drilling steel strap, brackets, or panel mounts every day, that is the deciding difference; for an occasional hole in wood it matters far less.
5) What type of drill bit is the Milwaukee 48-89-4621, and is it the same thing as a diamond grit bit?
No, it is a twist drill bit for metal and general construction drilling. A diamond grit bit such as the Lenox 12111-10DGHS in 5/8 inch is a different tool entirely, meant for abrasive materials rather than steel, and the two are not interchangeable.
6) Why does the Milwaukee RED HELIX bit clear chips better in deep holes?
Two features work together. The RED HELIX flute geometry is cut for rapid chip removal, and the chip breaker reduces heat buildup as the bit cuts. Less packed swarf and less heat is what keeps the cutting edge from burning off when you are going through thicker stock or stacking holes back to back.
7) Where is the Milwaukee SHOCKWAVE titanium drill bit made?
Country of origin is Thailand on both the 3/8 inch 48-89-4621 and the 1/2 inch 48-89-4629. That is the detail government and institutional buyers usually need for sourcing documentation.
How fast can I get the Milwaukee 48-89-4621 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Milwaukee 48-89-4621 come with a warranty?
Absolutely. The Milwaukee 48-89-4621 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Milwaukee 48-89-4621?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Milwaukee 48-89-4621 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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