1.2 Inch 4-Ring O-Shape Binder Mechanism - 292mm Length, 30mm Ring Diameter, Gold Zinc-Plated Steel
Professional 1.2-inch O-shaped 4-ring binder mechanism in gold finish, designed for secure document organization in office and industrial applications.
- Material: Environmental Cold Rolled Steel
- Ring Shape: O-shaped design
- Ring Number: 4 rings
- Ring Inside Diameter: 30mm (1.2 inches)
- Base Width: 20mm
- Overall Length: 292mm
Gold zinc-plating for corrosion resistance and professional appearance. Other surface treatment options available including nickel-plating, chrome-plating, tin-plating, copper-plating, resin spraying, and various coating methods.
Manufactured to DIN, IFI, ASTM, ISO, JIS, BS standards and custom specifications.
| Specification | Available Options |
|---|---|
| Overall Length | 90/110/123/133/170/180/210/225/240/264/280/292/300/315mm |
| Base Width | 15/17/20/26/36/45mm |
| Ring Inside Diameter | 15/16/19/20/25/30/35/38/40/45/50/65/76mm |
| Ring Number | 2/3/4/5/6/8/9/10/20/26/30 |
| Ring Shape | O/D/Q shapes available |
| Ring Spacing | 9.5/19/28.5/45/51/65/70/80/89/95/108mm |
| Item No | Overall Length (mm) | Base Width (mm) | Overall Height (mm) | Inside Height (mm) | Ring Center Distance (mm) | Rivet Hole Center Distance (mm) |
|---|---|---|---|---|---|---|
| PR292-4-16/20 | 292 | 20 | 20 | 16 | 80×80×80 | 282 |
| PR292-4-20/20 | 292 | 20 | 25 | 20 | 80×80×80 | 282 |
| PR292-4-25/20 | 292 | 20 | 30 | 25 | 80×80×80 | 282 |
| PR292-4-30/20 | 292 | 20 | 36 | 30 | 80×80×80 | 282 |
- Color customization available
- OEM/ODM services supported
- Custom sizes and specifications
- Various surface treatment options
Widely used in notebooks, data books, file boxes, and various document organization systems. Essential metal accessories for professional office and industrial document management.
15 years of manufacturing experience with over 100 team members. Total factory area of 15,000 square meters across two factory locations.
Main products include: Ring mechanisms, Lever Arch clips, Wire clips, Spring clips, Lever clips and metal accessories.
- Manual measurement may result in slight deviations between batches
- Check quantity before use - we cannot be responsible for shortages after use
- Surface may have minor scratches due to automated production process
- Individual clip opening/closing alignment variations are normal and not considered quality issues
- Anti-rust performance tested with standard salt spray tester
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.