Description
A4 section with 34 stitches
Metal spiral A4 8 mm, black, 3:1, 100 pcs.(SKU WRSP00310) is a black 8 mm coil prepared for the A4 edge. It uses a 3:1 punching pitch, has 34 loops, and the manufacturer’s specified nominal capacity is up to 50 sheets.
Diameter is more important than just the number of leaves
WRSP00310 size should be chosen according to the actual thickness of the compressed block, including covers and laminated inserts. The black 8 mm spiral must close without deformation and leave enough freedom for pages to rotate 360°.
Ready for serial A4 work
Equal-length segments save cutting time when binding A4 documents or calendar blocks of the same width. WRSP00310 package contains 100 pcs.; Before the series, it is worth clamping one 8 mm element with a real blank and checking the seam closure.
Technical specifications
- Diameter – 8 mm
- Color – black
- Step – 3:1
- Length – A4 / 34 loops
- Rated capacity – up to 50 sheets
- Quantity per package – 100 pcs.
- Material – nylon-coated metal wire
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