Greenlee 51317560 1/2" Conduit Size Slug-Buster Replacement Punch

Greenlee 51317560 1/2" Conduit Size Slug-Buster Replacement Punch

The Greenlee 51317560 is a 1/2" conduit size Slug-Buster replacement punch engineered for electricians and panel fabricators who need a fast, clean, slug-free knockout every time. Sized for 1/2" (22.5 mm) conduit applications, this round replacement punch produces an actual hole size of 7/8" (22.5 mm) and is rated to cut through mild steel up to 10 GA (3.500 MM) thick. As a genuine Greenlee replacement component for the Slug-Buster punch system, it delivers the same reliable performance electricians expect when servicing or rebuilding their existing punch driver sets, helping keep panel and enclosure knockout work moving without downtime for a full tool replacement. Manufactured in the United States, this punch is built to Greenlee's professional tooling standards for repeatable, code-ready results on the job site or in the fab shop.

Key Features

• Trade Size: Designed for 1/2" (22.5 mm) conduit size applications, matching standard 1/2" conduit and connector knockouts.
• Actual Hole Size: Produces a 7/8" (22.5 mm) actual hole size for a precise, code-ready knockout every time, ensuring proper fit for 1/2" connectors and fittings.
• Cutting Capacity: Rated for mild steel up to 10 GA (3.500 MM) thick, giving it the strength needed for standard enclosure and panel gauge steel.
• Round Punch Configuration: Round replacement punch design for clean, slug-free circular knockouts without leaving a metal slug inside the enclosure.
• Genuine Replacement Part: Purpose-built as a Slug-Buster replacement punch, letting professionals refresh worn punches on existing driver sets rather than replace the whole kit.
• Origin: Manufactured in the United States, reflecting Greenlee's domestic production standards for professional electrical tooling.

Technical Specifications

• Application: 1/2'' (22.5 mm) Conduit Size Replacement Punch
• Capacity Mild Steel: 10 GA (3.500 MM)
• Country Of Origin: US
• Product Size: 7/8'' (22.5 mm) Actual Hole Size
• Product Type: Replacement, Round

Typical Applications

• Electrical Panel and Enclosure Fabrication
• Conduit Knockout Preparation for 1/2" Connectors and Fittings
• Replacement Punch for Existing Slug-Buster Driver Sets
• Commercial and Industrial Electrical Installations
• Panelboard and Load Center Modification

Why Greenlee?

Greenlee's Slug-Buster punch line is built to give electricians a slug-free, repeatable knockout every time, and the 51317560 replacement punch carries that same standard into a maintenance part for existing driver kits. With mild steel cutting capacity up to 10 GA (3.500 MM) and a precise 7/8" (22.5 mm) actual hole size for 1/2" conduit applications, this punch is manufactured in the United States to help professionals keep panel and enclosure work on schedule with dependable, code-ready knockouts. Choosing a genuine Greenlee replacement punch means panel fabricators and electricians can restore their Slug-Buster driver sets to full cutting performance without the cost of a complete new punch and die kit, keeping crews productive and enclosures ready for inspection.