Enhanced Type Three Ring Binder Mechanism 280mm Length 26mm Width Matte Black A4 File Clip
Professional A4 ring binder mechanism with matte black finish, designed for secure document organization. Features enhanced construction with 3-ring O-shape design and 11-inch capacity.
- Matte black surface treatment for professional appearance
- O-shaped ring design for secure paper holding
- 280mm overall length with 26mm base width
- Cold rolled steel construction for durability
- Customizable colors and specifications available
| Specification | Details |
|---|---|
| Material | Cold Rolled Steel (Environmental) |
| 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 |
| Surface Treatment | Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, resin spraying, heat disposing, 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 (mm) | Rivet Hole Center Distance (mm) |
|---|---|---|---|---|---|---|
| PR280-3-25/26 | 280 | 26 | 30 | 25 | 108×108 | 270 |
| PR280-3-30/26 | 280 | 26 | 35 | 30 | 108×108 | 270 |
| PR280-3-32/26 | 280 | 26 | 37 | 32 | 108×108 | 270 |
| PR280-3-38/26 | 280 | 26 | 44 | 38 | 108×108 | 270 |
| PD280-3-25/26 | 280 | 26 | 36 | 25 | 108×108 | 270 |
| PD280-3-30/26 | 280 | 26 | 42 | 30 | 108×108 | 270 |
| PD280-3-35/26 | 280 | 26 | 47 | 35 | 108×108 | 270 |
| PD280-3-38/26 | 280 | 26 | 51 | 38 | 108×108 | 270 |
| PD280-3-50/26 | 280 | 26 | 61 | 50 | 108×108 | 270 |
Not all available items are listed on this page. Please contact us directly for additional options.
We are a professional hardware stationery binder clip manufacturer with 15 years of production experience. Our factory spans 15,000 square meters with over 100 team members dedicated to quality manufacturing.
- 15 years of specialized manufacturing experience
- 15,000 square meter production facility
- OEM/ODM services available
- Free samples available (customer pays delivery)
- Multiple payment options: PayPal, Western Union, Credit Card
- Standard lead time: 10-15 working days
Metal binders are widely used in notebooks, data books, file boxes, and other document organization systems. They serve as essential metal accessories for professional and educational document management.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.