11 Inch Anti-Rust Electroplated 3-Ring Binder Mechanism - 280mm Length, 16mm Ring Diameter for A4 Paper Organization
Professional 11-inch electroplated 3-ring binder mechanism with anti-rust protection, designed for A4 paper organization in office and stationery applications.
- Model: PR280-3-16/20
- Overall Length: 280mm (11 inches)
- Base Width: 20mm
- Ring Inside Diameter: 16mm
- Ring Shape: O-shaped
- Material: Environmental Cold Rolled Steel
- Surface Treatment: Anti-rust Electroplating
| Parameter | 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 |
| Ring Spacing | 9.5/19/28.5/45/51/65/70/80/89/95/108mm |
| Surface Treatment | Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, resin spraying, heat treatment, hot-dip galvanizing, black oxide coating, painting, baking paint, color zinc-plated, blue black zincplated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing |
| Item No | Overall Length (mm) | Base Width (mm) | Overall Height (mm) | Inside Height (mm) | Ring Center Distance | Rivet Hole Center Distance (mm) |
|---|---|---|---|---|---|---|
| PR280-3-16/20 | 280 | 20 | 20 | 16 | 108×108 | 270 |
| PR280-3-20/20 | 280 | 20 | 25 | 20 | 108×108 | 270 |
| PR280-3-25/20 | 280 | 20 | 30 | 25 | 108×108 | 270 |
| PR280-3-30/20 | 280 | 20 | 36 | 30 | 108×108 | 270 |
Note: Not all available items are listed on this page. Contact us directly for complete product catalog.
Surface colors and finishes can be customized according to your specific requirements.
- Individual cardboard separation for product protection
- Moisture proof agent included in packaging
- Plastic bag protection within standard cartons
- Optional protective woven bags available
Professional hardware stationery binder clip manufacturer with 15 years of production experience. Our team of over 100 members operates across two factory areas totaling 15,000 square meters.
Metal binders are widely used in notebooks, data books, file boxes, and other office organization systems as essential metal accessories.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.