Standard Round Knockout Punches for Electrical Conduit and Pipe Standard Round Knockout Punches are complete metal punch units consisting of punch, die, and draw stud, designed for creating clean, fast, and accurate holes through mild steel, aluminum, fiberglass, and plastic. Suitable for use with battery-powered, hydraulic, ratchet, or manual drivers, these punches support electrical distributors and switchgear suppliers in delivering precise conduit and pipe hole solutions. Specifications Capacity: Mild steel up through 14 gauge (2.000 mm) Includes: Punch, Die, and Draw Stud Hole Size: Conduit sizes correspond to outside diameter of US conduit sizes (e.g., 1/2" conduit size punch makes a 7/8" hole) Operation: Compatible with battery-powered, hydraulic, ratchet, or manual drivers. When used with powered or ratchet drivers, purchase punch and die only; draw stud included in driver kit. Size: 1.115 inches (28.3 mm) Weight: 0.65 lb (0.6500) Made in USA Manufacturer: Greenlee Manufacturer Part #: 50369105 Features Complete punch units include punch, die, and draw stud for ease of use Compatible with multiple driver types including battery-powered, hydraulic, ratchet, and manual Designed for clean, fast, and accurate hole punching through various materials including mild steel and plastic Slug falls free in die for quick cleanup Made in the United States, ensuring quality and reliability Downloads & Links Spec Sheet Spec Sheet