Greenlee 721-3/4 1.110 3/4" CO...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$100.44
$50.44
Greenlee 721-3/4 1.110 3/4" CONDUIT SIZE ROUND Slug-Buster PUNCH (3/4"D/S)

Greenlee 721-3/4 1.110 3/4" CONDUIT SIZE ROUND Slug-Buster PUNCH (3/4"D/S)

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Model: 721-3/4
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$100.44
$50.44
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1.110 3/4" CONDUIT SIZE ROUND Slug-Buster PUNCH (3/4"D/S)

  • Features

    • Alignment Markings improve punching accuracy and productivity when making holes.
    • Slug-Buster Punch 3/4" Conduit Size
    • Made in the USA
    • Punches and dies are marked with catalog numbers and sizes for quick part identification.

Manufacturer Resources

Product Specs

Application:
Slug-Buster 3/4" Conduit Size Replacement Punch
Capacity Mild Steel:
10 GA (3.500 MM)
Product Size:
1.115 IN (28.300 MM) Actual Hole Size
Product Type:
Replacement, Round
Department:
Electrical
Product Subgroup:
Knockout Punches

Greenlee 721-3/4 – Frequently Asked Questions

1) What size hole does the Greenlee 721-3/4 Slug-Buster punch actually cut?
The 721-3/4 punches a round hole 1.115 inches (28.300 mm) in diameter, which is the clearance hole for 3/4 inch conduit. If you need a hole sized to the conduit trade size rather than the raw diameter, this is the one to order for 3/4 inch fittings.
2) How thick a steel panel can the Greenlee 721-3/4 punch go through?
Rated for mild steel up to 10 gauge (3.500 mm). That covers typical enclosure and panel work; for anything heavier than 10 gauge mild steel you are outside what this punch is rated to cut.
3) Does the Greenlee 721-3/4 come as a complete knockout set, or just the punch?
It is a replacement punch and die for 3/4 inch conduit size, not a full kit. You supply the draw stud and the driver (manual, hydraulic, or battery) you already run. Buy it when the 3/4 inch punch in your existing Slug-Buster set has dulled or chipped.
4) How do I make sure the knockout lands square on my layout mark?
The 721-3/4 carries alignment markings on the punch to line it up with your layout before you draw it through, which cuts down on off-center holes in a panel face. The punch and die are also stamped with the catalog number and size, so you can pull the right 3/4 inch piece out of a mixed set without measuring.
5) What is the exact Greenlee part number for a 3/4 inch round Slug-Buster replacement punch?
Greenlee 721-3/4. That is the round Slug-Buster punch and die for 3/4 inch conduit, cutting a 1.115 inch hole, and it is made in the USA.
How fast can I get the Greenlee 721-3/4 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 Greenlee 721-3/4 come with a warranty?
Absolutely. The Greenlee 721-3/4 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 Greenlee 721-3/4?
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 Greenlee 721-3/4 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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