Standard Round Knockout Punches - Electrical Conduit Punching Tools Standard Round Knockout Punches are precision metal punch units designed for creating clean, fast, and accurate holes in electrical conduit and pipe. These complete units include punch, die, and draw stud and are compatible with battery-powered, hydraulic, ratchet, or manual drivers. Ideal for electrical distributors and switchgear suppliers, these punches support efficient installation and maintenance of wire and cable systems. Specifications Capacity: Mild steel up through 10 gauge (3.5 mm) Application: Punch mild steel, aluminum, fiberglass, and plastic Hole Sizes: Matches outside diameter of US conduit sizes (e.g., 1/2" conduit size punch makes a 7/8" hole), PG sizes (European standard pipe sizes), and ISO sizes (International Standards Organization pipe sizes) Operation: Use with battery-powered, hydraulic, ratchet, or manual drivers; punch and die included, draw stud part of driver kit for powered or ratchet drivers Dimensions: 3.625" Width x 3.625" Height x 3.625" Length Product Weight: 2.4 lb Country of Origin: United States Manufacturer: Greenlee Manufacturer Part Number: 50188925 Made in USA: Yes Features Complete units consisting of punch, die, and draw stud for reliable performance Compatible with multiple driver types, increasing versatility for electrical contractors Designed for clean and accurate hole punching through pilot holes Knockouts made in the USA, ensuring quality and compliance with industry standards Slug falls free in die for quick and easy removal Downloads & Links Spec Sheet Spec Sheet
