Mühlen SD 12
Spiral Binding Machine
Economical and Functional
The SD 12, MÜHLEN's most economical model, is specially designed for medium and low-intensity spiral binding operations. Capable of neatly and quickly binding A4 and smaller documents, this model is the most preferred binding machine in terms of both product cost and material cost.
200-Sheet Binding Capacity
Able to bind up to 200 sheets at once, this model performs both punching and binding on the same machine. By placing the binding material onto the combs on the machine, previously punched documents can be easily bound in a single step.
Metal Body and Steel Internal Components
Thanks to its specially alloyed metal body and steel internal components, this exceptionally durable model is manufactured using advanced German engineering. Built entirely from metal and steel for both its internal and external parts and mechanical systems, this model's blade and blade system come with a 5-year warranty.
Punching 12 Sheets at Once
Equipped with renewed sharp punching blades, the SD-12 binding machine can punch 12 documents at once at 21 different points, in 3x8mm dimensions, delivering high performance even under heavy use without jamming or malfunction.
Margin Adjustment and Waste Box
Thanks to the 2-stage margin adjustment on the model, users can decide how close to the edge or how far inward (3 or 6 mm) the documents are punched. In addition, during the punching process, the waste produced from the documents is collected in the waste box located under the machine. Users can empty this waste box whenever they wish.
5-Year Punching Blade Warranty
With its renewed blades delivering fast and accurate punching, the punching blades of the MÜHLEN SD12 binding machine are covered by a 5-year warranty against wear. In addition, thanks to its metal body and steel internal components, it is designed to provide flawless service for many years.
Binding Combs
After the user punches the documents, by placing the binding material onto the comb section on the machine and then opening the combs at once with the help of the lever, the punched documents can be easily bound. Although it may take a while to explain, it can bind 200 sheets in a matter of seconds.
Technical Specifications
- The most economical machine for spiral binding
- Specially manufactured for medium-intensity use
- Fast binding of A4 and smaller documents
- Ability to punch 21 holes at once
- Punches 12 sheets at once
- Binds up to 200 sheets at once
- Can punch holes measuring 3×6 mm
- Two different margin distances: 3 and 6 mm
- Maximum applicable spiral thickness: 22mm
- Hole spacing: 14.3mm
- Easy-to-empty waste box
- 5-year punching blade warranty
- Portable and stylish design
- Reinforced metal body
- Reinforced steel internal components
- Sturdy metal binding lever
- 24-month warranty
Advantages
- Medium-scale spiral binding machine
- 12 sheets, 21 holes at once
- Binds 200 sheets at once
- Two different margin settings: 3 and 6mm
- Ergonomic and stylish design
Physical Properties
- Product Box Dimensions: 420x260x120
- Product Dimensions: 380x220x120 mm
- Gross Weight: 6 kg
- Net Weight: 5.5 kg
Mühlen SD 12 — Compact Spiral Binding Machine for Medium-Intensity Office Use
Who Is It For?
The Mühlen SD 12 spiral binding machine is made for medium and low-intensity binding of A4 and smaller documents. It suits offices, accounting and law firms, stationery and print shops, schools and institutions that regularly bind reports, presentations, proposals, theses and catalogues. Punching and binding are done on the same compact, portable machine, and it is economical both to buy and to run in terms of binding material.
Key Features and What They Do
- 12 sheets, 21 holes in one stroke: renewed sharp blades punch 12 sheets at once at 21 points, with a hole spacing of 14.3mm.
- Binds up to 200 sheets: place the binding material on the combs, open them with the metal lever and insert the punched pages within seconds.
- Two margin settings: choose 3 or 6 mm to set how close to the edge the holes are punched.
- Spiral up to 22mm: the maximum applicable spiral thickness is 22mm.
- Waste box under the machine: punched chips are collected below and can be emptied whenever needed.
- Reinforced metal body: combined with steel internal components for long service under regular use.
Frequently Asked Questions
How many sheets can the SD 12 punch at once?
It punches 12 sheets in a single stroke, creating 21 holes.
What is the largest document it can bind?
The SD 12 binds A4 and smaller documents of up to 200 sheets.
Is the punching blade covered by warranty?
Yes, the punching blades have a 5-year warranty against wear, and the machine has a 24-month warranty.
How much space does it take?
The machine measures 380x220x120 mm and has a net weight of 5.5 kg.
Usage and Care Tips
Punch thicker documents in sets of 12 sheets so the blades work cleanly. Pick the 3 or 6 mm margin according to the document thickness before you start. Choose a spiral no thicker than 22mm and open it fully on the combs before adding pages. Empty the waste box regularly to keep punching smooth.
