HD8370  Semi-Auto-bind Double Wire Inserter & Closer

The HD8370 Inserts and Semi-Auto binds wire and closes it. This Closer closes 3:1 pitch double loop wire in one easy step, eliminating manual insertion of wire into documents. The Semi-Auto CLoser is easily adjustable for varying sizes from ¼ inch to 9/16 inch (6mm-14mm).   The HD8370 can best stand-alone or mounted to any vertical Rhin-O-Tuff OD or HD punch (optional mounting kit available).

The Onyx HD8370 offers fast and reliable wire closing without the need to manually hand insert and thread the double loop wire.  The Closer inserts it around the document flawlessly every time. The HD8370 and HC8318 Wire Closers are much faster to operate as they insert and close the wire in one easy motion. Many electric wire closers have multiple manual processes including manually lining up the holes with the wire, manually inserting the wire then keeping it inserted as you move the document to the electric wire closing area to be closed.

Weight 37 lbs
Dimensions 16 × 21 × 21 in


  • Inserts & closes in 1 easy step. Eliminates manual insertion of wire into documents.
  • Module design attachable to both OD and HD series punches (optional mounting kit available).
  •  *Closes 3-1: Double-Loop Binding Wire* 8370 Closes
  • 3-1 Pitch 1/4 to 9/16 inch ( 6 mm-14 mm).
  • 14 inches (356 mm) binding edge.
  • Easily adjustable for wire size.
  • All metal construction.
  • Lightweight and portable
  • 3 Year Warranty.
  • Easy operation.


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