SD-1501A21 Binding Machine with Combs Set – 21 Hole / 200 Sheets Comb Binder for Punching or Binding

  • Manually punches up to 15 sheets (80 gsm 20 lb) at a time; and binds up to 200 (80gsm 20lb) with a 22 mm (7/8 inches) comb binding ring.
  • Align papers to left of your page using the side margin adjustment. Enhanced accuracy edge guide from 3 mm to 6 mm for pinpoint punching. Adjustments can be made with ease,
  • Low force handle for simplifies punching, and releasable 1-21 punching blades for A4 (8.27″x11.69″), letter size or below size paper.
  • Sturdy metal construction and easy to use.
  • Including 20pcs comb binding ring.


Holes Quantity & Size 21/ Holes; Size: 0.12“ x 0.32″ (3mm*8mm)
Die Type & Free Blades Disengaging & 21 Blades
Ideal for A4; letter size; A5; B5; B4 etc
Customize the paper margin 3mm; 4mm; 6mm
Punching capacity 15 sheets (80g/20lb) or binding cover
Binding capacity 200 sheets (80g/20lb) of paper
Item weight 13.66lb
Packing weight 14.99lb
Protecting the blades Rayson’s binding machine comes with oiled cutting blade for protecting the blades far away rusting. To avoid staining on the important document, please use oiled removing paper(enclosed ) to punch first in order to cream up the blades.
Useing location With no electricity, not restricted by the use of the location

SD-1501A21 comb binding machine is made of durable metal construction, which is a traditional and perfect machine for the people who want to sort out the document, presentations at home, office or school. It features an efficient, easy-to-use and compact design. Easily cleaned after punching and binding, or move it to a shelf when not in use.

The handle is easy to assemble and high leverage design makes less resistant when punching.
Moderate weight for ease moving around and clean after use.
Includes starter kit for a good start.

1-21 Manual Disengaging Dies

  • SD-1501a21 comb binder machine comes with 21 disengaging dies. You can pull out the pin to skip the holes you don’t want to punch. For example, you can pull out the first and last pin to punch 19 holes for matching letter size paper.


Punches Leathergrain Binding Cover

  • It can punch 1 sheet of leathergain binding cover (16 mil or other thickness under 1.5mm covers) at a time. Leathergrain binding cover gives your bound document a stylish and premium finish.


Punches Plastic PVC/PP Binding Cover

  • It can punch 1 sheets of Plastic PVC/PP Binding Cover(150, 200, 300, 400 micron or other thickness under 1.5mm covers) at a time. PVC/PP binding cover can protect your document from unexpected damage.


Add or Remove Pages by Re-bind

  • It’s simple to add or remove pages by the machine.
  • Binding Ring Size: 6mm(1/4″) – 20 sheets, 8mm(5/16″) – 40 sheets, 10mm(3/8″) – 55 sheets, 12mm(1/2″) – 90 sheets, 14mm(9/16″) – 100 sheets, 16mm(5/8″) – 120 sheets, 19mm(3/4″) – 140 sheets, 22mm(7/8″) – 170 sheets

Margin Adjustment

  • Side and depth margin adjustments from 3 mm to 6 mm;
  • Control the margin and choose for binding with different comb binding spines.


Clear accurate paper markings

  • Specially designed for all major sheet sizes including A4 and Letter Size; Open-throat and Disengaging pins design allows you to insert large and non-standard page sizes to meet the specifications of your unique project.


Works smoothy and cuts cleanly

  • Advanced Sharp Cutting Blades ensure accurate cutting power, allowing you to punch holes in up to 15 sheets of paper at a time without any misaligned holes or loose pages with burrs, thus greatly saving your time and energy.


All metal construction

  • The base of this binder machine is made of solid metal and there are 4 anti-slip feet in the four corners, keeps punching and binding process steadily and safety.
  • Note: Please place the machine on a flat table or position when using.

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