Greenlee 1/2" Conduit-Size Slug-Buster Knockout Punch Unit

  • Manufacturer: Greenlee
  • Model: 7211BB-1/2
  • UPC: 783310319627
  • Availability: In Stock


  • The contractor’s choice – worldwide.
  • Unique punch profile splits slugs allowing easy slug removal.
  • Use with battery-powered, hydraulic, ratchet or manual drivers.
  • Uses standard Greenlee dies and draw studs.
  • Slug Buster Punches available in sizes up thru 2.52" (64.0 mm).
  • Capacity: Mild steel up through 10 gauge (3.5 mm).
  • Application: Punch mild steel, aluminum, fiberglass and plastic.
  • Conduit Sizes – Hole size is outside diameter of US conduit sizes. 
  • Operation: Battery, hydraulic, ratchet or manual drivers. When used with ratchet, hydraulic or battery drivers, buy the punch and die only; the draw stud is part of the driver kit



  • Punch: 721-1/2P
  • Die: 14722P
  • Draw Stud: 00042P

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