Standard Round Knockout Punches – Electrical Knockout Punch Standard Round Knockout Punches are precision metal punch units designed for creating clean and accurate holes in mild steel, aluminum, fiberglass, and plastic. These punch sets, consisting of punch, die, and draw stud, are suitable for use with battery-powered, hydraulic, ratchet, or manual drivers, making them ideal for electrical distributors and switchgear suppliers requiring reliable hole-making solutions in wire and cable conduit installations. Specifications Capacity: Mild steel up through 16 gauge (1.5 mm) Includes: Punch, die, and draw stud Hole Size: Conduit sizes correspond to outside diameters; for example, a 1/2" conduit punch makes a 7/8" hole Operation: Compatible with battery-powered, hydraulic, ratchet, or manual drivers; draw stud included with driver kit for powered tools Dimensions: 3.9 in (height) x 3.7 in (width) x 3.9 in (length) Product Weight: 0.77 lb Made in USA Manufacturer: Greenlee Manufacturer Part Number: 50253441 Features Complete punch units with punch, die, and draw stud for efficient hole punching Designed for clean, fast, and accurate holes through pilot holes Suitable for mild steel, aluminum, fiberglass, and plastic materials Compatible with multiple driver types including battery-powered, hydraulic, ratchet, and manual Knockouts made in the USA ensuring quality and reliability Slug falls free in die for easy removal No-thread punch design to prevent cross-threading and reduce setup time Available in sizes covering 1/2" to 6" conduit and pipe Downloads & Links Spec Sheet Spec Sheet
