The machine supplies the force and the staple has to be long enough to clinch through the stack, so a heavy duty stapler loaded with standard staples still fails on a thick set. Leg lengths are stated in millimetres against a sheet range; match them to your usual document rather than the machine maximum. Expect a flat clinch on the reverse. See staplers, staples and electric staplers.

Heavy duty stapler on a clean office desk with thick document stacks and stationery for fastening larger paperwork bundles.

Heavy Duty Staplers

Shop heavy duty staplers for thick documents, manuals, reports, forms, booklets and office paper packs.