11" Slant D-Shape 3-Ring Binder Mechanism 280mm Length 76mm Ring Diameter for A4 Large-Capacity Folders

Price Negotiable

Price: FOB $0.85-1

MOQ: 3000pcs

Delivery Time: 15days

Brand: HHD

Product Description

Product Overview

11" Slant D-shape 3-ring binder mechanism in silver finish, designed for A4 paper compatibility and large-capacity folders. Model: STD280-3-76/45

Product Images

Silver slant D-shape 3-ring binder mechanism

Technical Specifications

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.
Applications	For stationery files to hold papers

Size Specifications

Item No	Overall Length (mm)	Base Width (mm)	Overall Height (mm)	Inside Height (mm)	Ring Center Distance	Rivet Hole Center Distance
STD280-3-16/20	285	20	25	16	108*108	243
STD280-3-25/17	285	20	29	25	108*108	243
STD280-3-25/20	285	20	31	25	108*108	243
STD280-3-38/20	285	20	43	38	108*108	243
STD280-3-38/26	285	26	44	38	108*108	243
STD280-3-50/26	280	26	55	50	108*108	243
STD280-3-65/36	280	36	70	65	108*108	243
STD280-3-76/36	280	36	86	76	108*108	243
STD280-3-76/45	280	45	88	76	108*108	243
STD280-3-88/45	280	45	98	88	108*108	243
STD280-3-102/45	280	45	118	102	108*108	243

Business Services

Samples: Available free of charge (customer pays delivery cost)
Minimum Order Quantity: 3000 pieces for small orders
Lead Time: 10-15 working days standard, varies by order quantity
Payment Options: PayPal, Western Union, Credit Card, Alipay
Packaging: Cardboard protection with moisture prevention, plastic bags, standard cartons
Services: OEM/ODM services available

Applications

Hardware binder mechanisms are widely used in notebooks, data books, file boxes, and serve as essential metal accessories for office and stationery products.

Additional Images