Brochure Greenlee 28157 Specifications:
  • Conduit Sizes – Hole size is outside diameter of US conduit sizes.
  • Example: 1/2" conduit size punch actually makes a 7/8" hole.
  • Corresponding Punch: 28156
  • Corresponding Draw Studs: 31872 (For Hyd. Drivers:  7804, 7904) 29452 (For Hyd. Drivers 7646, 7625) 12099 (For Ratchet Driver:  1904)  
  Greenlee 28157 Features:
  • Slug-Splitter heavy-duty punches are designed to punch up through 10 gauge (3.5 mm) stainless steel.
  • Unique slug splitting design and tool steel construction easily punch 10 gauge (3.5 mm) mild steel and stainless steel.
  • Self-centering punch aligns itself on pilot hole.
  • No need to draw crosshairs or line up die alignment marks.
  • Unique punch profile also splits slugs for easier slug removal.
  • Heavy-duty dies and stainless steel draw studs for longer life.
  • Excellent abrasion resistance for punching fiberglass and plastic.
  • Operate with battery, hydraulic or high leverage ratchet driver only.
  • Patent Pending