Standard Round Knockout Punches for Electrical Conduit and Pipe Standard Round Knockout Punches are complete metal punch units designed for creating clean, fast, and accurate holes in conduit, pipe, and sheet metal. Suitable for use with battery-powered, hydraulic, ratchet, or manual drivers, these punches are essential tools for electrical distributors, lighting solutions providers, and wire and cable installers requiring precise knockout holes in mild steel, aluminum, fiberglass, and plastic materials. Specifications Capacity: Mild steel up through 10 gauge (3.5 mm) Includes: Punch, die, and draw stud Hole Size: Conduit sizes correspond to outside diameter of US conduit (e.g., 1/2" conduit punch makes a 7/8" hole) Application: Punch mild steel, aluminum, fiberglass, and plastic Operation: Compatible with battery-powered, hydraulic, ratchet, or manual drivers; draw stud included with manual drivers or part of driver kit for powered drivers Size: 1.280 inches (32.5 mm) Weight: 1.000 lb (454 g) Country of Origin: United States Manufacturer: Greenlee Manufacturer Part Number: 50244760 Features Complete punch units include punch, die, and draw stud for ease of use Made in the USA ensuring quality and compliance Designed for use with multiple driver types including manual and powered Produces clean, accurate knockouts with slug falling free for quick removal Durable construction suitable for mild steel up to 10 gauge thickness Downloads & Links Spec Sheet Spec Sheet
