Greenlee Knockout Punches

GREENLEE® knockout punches are tools for creating openings in electrical cabinets and boxes to run conduit, wiring or cables. They are one of many Greenlee electrical tools that electricians choose to do their work quickly, efficiently and accurately. These knockout punches consist of battery-powered, electrical, ratchet, manual, hand and foot-operated hydraulic drivers that attach to bolt-like draw studs with threads to hold a cutting punch and a backing die. The drivers turn the draw stud and punch against a metal surface and the die on the opposite side, punching out a metal slug to create the opening. Greenlee knockout punches create holes from 1/2 inch to 4 inches in diameter.
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There are several drivers, punches, dies and draw studs in Greenlee punch driver kits for different applications or materials. Greenlee stainless punch kits consist of slug splitters that use foot-pump hydraulic drivers for creating openings specifically in stainless steel. Slug-Buster® knockout punches, for mild steel and aluminum, work with either foot-pump hydraulic or ratchet drivers that accept both metric and standard diameter cutting punches. Greenlee stud punches are hand-leveraged tools that create openings in metal studs up to 20 gauge thick to run wiring or cable before walls are hung. Knockout punches are included in some Speedpunch® kits consisting of non-threaded draw studs using a speed lock to secure the punch and die. Greenlee Quick Draw® knockout punches, operated with foot-pump hydraulic drivers, are lightweight tools that can create openings in tight spaces by working at a 90-degree angle, plus they accept non-round punches. Punch driver kits also include standard punches, dies and draw studs that work with manual and hand-pump hydraulic drivers.

Greenlee knockout punches are ideal tools for installing wiring and cabling. Other tools from this brand consist of tools for bending conduit, cutting, splicing and pulling cable and fastening terminals. Once the wiring is installed, test the electrical current with Greenlee multimeters. One look at this brand's precision-engineered and versatile line of knockout punches will show you why electrical professionals use these innovative tools.
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