Greenlee 51041750 2-1/2" Round...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$278.07
$159.50
Greenlee 51041750 2-1/2" Conduit Size Punch

Greenlee 51041750 2-1/2" Round Conduit Knockout Punch, Replacement

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Model: 51041750
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$278.07
$159.50
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Greenlee 51041750 2-1/2" Round Conduit Knockout Punch, Replacement

The Greenlee 51041750 is a 2-1/2" conduit size replacement punch designed for use with standard round knockout punch units. This punch is manufactured in the US and provides electricians and panel fabricators with a reliable replacement component for producing clean, round knockout openings sized for 2-1/2" conduit fittings. With a product size of 2-7/8 IN (74.000 MM), this punch is engineered to deliver consistent, accurate knockouts in electrical enclosures, panels, and boxes where standard round knockout punch equipment is already in service. Whether you're maintaining an existing punch set or replacing a worn component, the 51041750 is built to restore reliable, code-compliant knockout performance to your tooling.

Key Features

  • Conduit Size: 2-1/2" conduit size punch for standard round knockout applications.
  • Product Size: 2-7/8 IN (74.000 MM) punch diameter for precise, repeatable knockout openings.
  • Product Type: Replacement, Round punch designed to fit standard round knockout punch units.
  • Application: For use with standard round knockout punch units, making it an ideal replacement component for existing tooling.
  • Compact Dimensions: Product height, length, and width of 3.700 IN each, with a volume of approximately 50.653 CI, for manageable handling and storage.
  • Country of Origin: Manufactured in the US, supporting quality and traceability for professional electrical tooling.

Technical Specifications

  • Application: For Standard Round Knockout Punch Unit
  • Country Of Origin: US
  • Product Height: 3.700 IN
  • Product Length: 3.700 IN
  • Product Size: 2-7/8 IN (74.000 MM)
  • Product Type: Replacement, Round
  • Product Width: 3.700 IN
  • Volume: 50.653 CI

Typical Applications

  • Electrical Panel and Enclosure Fabrication
  • Conduit Knockout Preparation for 2-1/2" Conduit
  • Replacement Component for Standard Round Knockout Punch Units
  • Commercial and Industrial Electrical Installations
  • Panelboard and Junction Box Modification

Why Greenlee?

Greenlee is a recognized name in professional electrical tooling, and the 51041750 replacement punch is built to fit standard round knockout punch units used across commercial and industrial electrical work. Manufactured in the US, this round replacement punch is sized to deliver consistent 2-1/2" conduit knockouts, helping electrical contractors keep existing knockout punch tooling in reliable working condition. Choosing a Greenlee replacement punch means matching the precision and durability of the original equipment, so your knockout unit continues to produce clean, properly sized openings for 2-1/2" conduit installations without the cost of replacing an entire punch set.

Manufacturer Resources

Product Specs

Application:
For Standard Round Knockout Punch Unit
Country Of Origin:
US
Product Height:
3.700 IN
Product Length:
3.700 IN
Product Size:
2-7/8 IN (74.000 MM)
Product Type:
Replacement, Round
Product Width:
3.700 IN
Volume:
50.653000000000006 CI
Department:
Electrical
Product Subgroup:
Knockout Punches

Greenlee 51041750 – Frequently Asked Questions

1) How big is the Greenlee 2-1/2 inch conduit punch itself, for storage in a punch kit case?
The punch measures 3.700 inches in height, length and width, with a stated volume of 50.653 cubic inches. That is the overall footprint to allow for in a kit case slot or gang box drawer.
2) Is the Greenlee 51041750 punch made in the USA?
Country of origin is the United States. That matters on public and institutional work where domestic-origin tooling has to be documented for the submittal package.
How fast can I get the Greenlee 51041750 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 51041750 come with a warranty?
Absolutely. The Greenlee 51041750 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 51041750?
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 51041750 from ZenSupply?
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