Product: TEMCo TH0391-1/2" Conduit Hole Size Knockout Punch Unit with Manual Draw Stud – (0.86" – Actual Hole Size)
Brand: TEMCo Industrial
Traditional style knockout punches suffer from a problem where the slug that is left over after punching often deforms within the die set, locking itself into place around the draw stud or in the die. It is very frustrating and time consuming to stop your work and pry the slug from your tool.The new slug-splitting design of the TEMCo knockout punches solves this issue by integrating a secondary cutter face that slices the slug into two parts, eliminating the ability for it to bind in the tool. When you release the dies, the cast off slug bits simply fall out, and you’re ready to move on to your next hole.
Punch units are complete units consisting of the ½" conduit punch and draw stud makes a 0.86" sized hole
Knockout punch can be used with ratchet, wrench, or electric driver.
Capacity: Mild steel plate through 10 gauge (3.5mm) Works to punch Mild steel, Brass, Copper, Aluminum (soft alloys only), Fiberglass and plastic.
Slug splitting design on punches allows for easier slug removal – the smooth operation leaves the round hole with clean edges and a uniform size. Manual punch works great in tight areas. Punch dies feature laser engraved alignment marks for easy and precise positioning.

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