Greenlee 50101579 Ultra Cutter...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$99.43
$49.43
Greenlee 50101579 Ultra Cutters

Greenlee 50101579 Ultra Cutter Replacement Blade, High Speed Steel

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Model: 50101579
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$99.43
$49.43
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Greenlee 50101579 Ultra Cutter Replacement Blade, High Speed Steel

The Greenlee 50101579 Ultra Cutter Replacement Blade is engineered for electricians and installers who rely on Greenlee Ultra Cutters to punch clean, accurate holes for 1/2 IN conduit applications. Machined from High Speed Steel for long service life under repeated cutting cycles, this blade produces a 7/8 IN hole diameter, matching the standard knockout size required for 1/2 IN conduit fittings and connectors. Compact and precisely sized at 4.000 IN in length, 2.600 IN in width, and 0.950 IN in height, this replacement blade is built to restore cutting performance to your existing Ultra Cutter tool without the cost of a full unit replacement. Manufactured in the United States, it delivers the dependable, code-compliant results electrical professionals expect on the jobsite. Whether you are maintaining a fleet of Ultra Cutter tools in a service truck or keeping a single unit performing like new in the shop, this blade is a straightforward, cost-effective way to extend the life of your existing investment rather than purchasing a brand-new cutting tool.

Key Features

  • Application: Designed for 1/2 IN conduit installations, ensuring a proper knockout fit for standard electrical fittings and connectors.
  • Hole Diameter: Produces a precise 7/8 IN hole diameter suited to 1/2 IN conduit connector requirements, matching the knockout size electricians expect for standard fittings.
  • Durable Construction: Made from High Speed Steel for superior edge retention and resistance to wear during repeated punching cycles on steel and other enclosure materials.
  • Compact Dimensions: Measures 4.000 IN in length, 2.600 IN in width, and 0.950 IN in height for a precise fit within compatible Ultra Cutter tools.
  • Replacement Part: Allows technicians to renew cutting performance on existing Greenlee Ultra Cutter units rather than replacing the entire tool, saving on tooling costs.
  • Country of Origin: Manufactured in the United States for consistent quality control and reliable manufacturing standards.

Technical Specifications

  • Application: For 1/2 IN Conduit
  • Country Of Origin: US
  • Hole Diameter: 7/8 IN
  • Product Height: 0.950 IN
  • Product Length: 4.000 IN
  • Product Material: High Speed Steel
  • Product Width: 2.600 IN
  • Volume: 9.88 CI

Typical Applications

  • Conduit Knockout Punching for 1/2 IN Conduit
  • Electrical Panel and Enclosure Fabrication
  • Commercial and Industrial Electrical Installations
  • Maintenance and Repair of Existing Greenlee Ultra Cutter Tools
  • Service Truck and Field Repair Kits for Punch Tool Upkeep

Why Greenlee?

Greenlee is a trusted name among electrical professionals, and this High Speed Steel replacement blade reflects the durability and precision built into every Ultra Cutter component. Manufactured in the United States, it is designed to deliver reliable, accurate hole-punching performance for 1/2 IN conduit applications on demanding jobsites, helping crews keep existing tools in service longer while maintaining consistent, code-compliant knockout results.

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Manufacturer Resources

Product Specs

Application:
For 1/2 IN Conduit
Country Of Origin:
US
Hole Diameter:
7/8 IN
Product Height:
0.950 IN
Product Length:
4.000 IN
Product Material:
High Speed Steel
Product Type:
Ultra
Product Width:
2.600 IN
Volume:
9.879999999999999 CI
Department:
Electrical
Product Subgroup:
Hand Tools

Greenlee 50101579 – Frequently Asked Questions

1) Is the Greenlee 50101579 cutter made for 1/2 inch conduit knockouts?
Yes. The Ultra Cutter 50101579 is an electrician's knockout cutter for 1/2 inch conduit, producing the 7/8 inch opening that trade size takes in an enclosure or panel wall.
2) What is the Greenlee Ultra Cutter made of, and will it hold up in steel enclosures?
High speed steel. That is the cutting material specified for the 50101579, which is what lets a knockout cutter work through sheet steel enclosure walls rather than aluminum or plastic only.
How fast can I get the Greenlee 50101579 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 50101579 come with a warranty?
Absolutely. The Greenlee 50101579 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 50101579?
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 50101579 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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