D Ring Binder Mechanism 4 Ring File Clip 292mm Length 20mm Width Metal Stationery Accessory
Professional 4-ring D-shape binder mechanism for stationery files and folders. This metal ring mechanism provides secure paper holding with durable construction and versatile applications.
| Specification | Details |
|---|---|
| Material | Cold Rolled Steel (Environmental) |
| Standards | DIN, IFI, ASTM, ISO, JIS, BS and non-standard products |
| Overall Length | 90/110/123/133/170/180/210/225/240/264/280/292/300/315mm, etc. |
| Base Width | 15/17/20/26/36/45mm, etc. |
| Ring Inside Diameter | 15/16/19/20/25/30/35/38/40/45/50/65/76mm, etc. |
| Ring Number | 2/3/4/5/6/8/9/10/20/26/30, etc. |
| Ring Shape | O/D/Q |
| Ring Spacing | 9.5/19/28.5/45/51/65/70/80/89/95/108mm, etc. |
| 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, etc. |
| Item No | Overall Length (A) | Base Width (B) | Overall Height (C) | Inside Height (D) | Ring Center Distance (E) | Rivet Hole Center Distance (F) |
|---|---|---|---|---|---|---|
| PR292-4-16/20 | 292mm | 20mm | 21mm | 11mm | 80×80×80mm | 282mm |
| PR292-4-20/20 | 292mm | 20mm | 25mm | 16mm | 80×80×80mm | 282mm |
| PR292-4-25/20 | 292mm | 20mm | 30mm | 19mm | 80×80×80mm | 282mm |
| PR2924-30/20 | 292mm | 20mm | 35.5mm | 25mm | 80×80×80mm | 282mm |
| PD292-4-16/20 | 292mm | 20mm | 25mm | 16mm | 80×80×80mm | 282mm |
| PD292-4-20/20 | 292mm | 20mm | 30mm | 20mm | 80×80×80mm | 282mm |
| PD292-4-25/20 | 292mm | 20mm | 35.5mm | 25mm | 80×80×80mm | 282mm |
| PD292-4-30/20 | 292mm | 20mm | 41mm | 30mm | 80×80×80mm | 282mm |
| PD292-4-30/26 | 292mm | 26mm | 42mm | 30mm | 80×80×80mm | 282mm |
Hardware binders are widely used in notebooks, data books, file boxes, and are extremely important metal accessories for stationery files to hold papers securely.
- Durable cold rolled steel construction
- Multiple ring shapes available (O/D/Q)
- Various surface treatment options
- Custom specifications according to drawings or samples
- OEM/ODM services available
- Free samples provided
Lead time: 10-15 working days as usual, based on detailed order quantity
Full payment for small orders, 30% deposit with 70% balance before shipment. Accepts Alipay, PayPal, Western Union and Credit Card.
All products are separated with cardboard for protection. Includes moisture proof agent, packaged in plastic bags and standard cartons. Protective woven bag optional.
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