Screw post binders, also known as Chicago screws, are essential for organizing and securely binding documents. They offer a durable and professional alternative to staples or clips, making them ideal for reports, portfolios, and presentations. Selecting the right size and material ensures your important papers remain intact and accessible.
- Package Includes: 1 Binder
- Product Type: Screw Post Binders
- Media Format: Landscape, bound on shortest side
- 30-Pocket Portfolio Display Book: Each art binder with 30 bound clear sheet protectors, letting you show 60 pages of 8.5x11" letter size or smaller. Folder measures 11 1/2" (L) x 9 11/16" (W) x 9/16" (G).
- Customizable Spine Title: You can label and identify your watercolors, sketches, scrapbook, art pieces, sheet music, certificates, and other projects by customizing the reversible spine insert.
- High Transparency & Lies Flat When Open: Our presentation book with crystal clear PP sheet protectors offers complete transparency for checking through and organizing. Bound sheet protector lies flat when open, free your hands.
- Archival Quality & Heavy Duty: Made from durable and light weight polypropylene which is archival quality, acid-free, non-stick, and non-glare, and water-proof. Thickened and sturdy cover won’t easy to crack and keeps your clear sleeves from being...
- Multi-Function: Not only suitable for long-term storage but also for displaying your paintings, photos, artwork, drawing, stencils. Great gift for students, teachers, office workers, secretaries, musicians, painters, etc.
- Package Includes: 1 Binder
- Product Type: Screw Post Binders
- Media Format: Landscape, bound on shortest side
- Increase Page Capacity by: Screw post extensions
- Sheet Size: Tabloid / Ledger
- Package Includes: 1 Binder
- Product Type: Screw Post Binders
- Media Format: Landscape, bound on shortest side
- Sheet Capacity 24 lb. Bond Paper: 50 Sheets
- Increase Page Capacity by: Screw post extensions
- 4 Pack 30-Pocket Portfolio Display Book: Each art binder with 30 bound clear sheet protectors, letting you show 60 pages of 8.5x11" letter size or smaller. Folder measures 11 1/2" (L) x 9 11/16" (W) x 9/16" (G).
- Customizable Spine Title: You can label and identify your watercolors, sketches, scrapbook, art pieces, sheet music, certificates, and other projects by customizing the reversible spine insert.
- High Transparency & Lies Flat When Open: Our presentation book with crystal clear PP sheet protectors offers complete transparency for checking through and organizing. Bound sheet protector lies flat when open, free your hands.
- Archival Quality & Heavy Duty: Made from durable and light weight polypropylene which is archival quality, acid-free, non-stick, and non-glare, and water-proof. Thickened and sturdy cover won’t easy to crack and keeps your clear sleeves from being...
- Multi-Function: Not only suitable for long-term storage but also for displaying your paintings, photos, artwork, drawing, stencils. Great gift for students, teachers, office workers, secretaries, musicians, painters, etc.
- Large capacity storage and retrievable binder.
- Each binder has 5 interchangeable color-coded spines and 5 tabbed dividers.
- Great for storing invoices, flyers, directories, price lists, important records and documents.
- LARGE-SCALE DOCUMENT STORAGE: Landscape-oriented 11x17 portfolio binder with elegant thick acrylic cover, 3-post binding (extendable). Made for tabloid storage and presentation
- EXTENDABLE POSTS: The fixed screw-posts have a 50-page capacity. Screw post extensions can be added for more capacity, each sold separately. Piano hinge ensures complete opening of cover
- ELEGANT DURABILITY: Thick acrylic construction for exceptional protection and presentation of valuable contents. Ideal for artwork, presentation materials, portfolio, and tattoo display books
- LANDSCAPE ORIENTATION: Horizontal folder, bound on the 11-inch side. This large-format 11x17 binder is essential for creative professionals, artists, and the display of tabloid-size work.
- SLEEK, LOW PROFILE: Rounded corners and sleek low-profile design make this portfolio perfect for elegant display without overstuffing. Compatible with 11x17 binder dividers and inserts.
- Package Included:90 sets(180pcs) slotted phillip head binding screws in a transparent plastic box;9 sizes(M5*6/8/10/12/15/20/25/30/35mm),10 sets each size(90 tops+ 90 screws)
- Various Size: Each set of round cross head chicago screw includes 2 parts, a screw post and a screw top.9 sizes of screw posts: length are 6 /8 /10/12/15/20/25/30/35mm; post diameter is 3/ 16 inch (5 mm);tops thread length is 5mm
- Quality Material: The binding post screws are made of 304 stainless steel, strong screws with high hardness, high toughness,resistant to rust,wear-resistance,anti-corrosion, anti-oxidation
- Easy to Apply: High hardness, easy to binding, good tightness,easy to install and remove, standard slotted head, easy to instal and remove with any standard screwdriver repeatedly
- Multipurpose: The chicago screw buttons are used for book binding, scrapbooking, brochures, photo albums and DIY leather craft projects
- 【Dimension】Model: M5 x 15mm; Cap Nut Specification: M4 x 15mm; Nut Head Diameter: 10mm/0.39"; Screw Specification: M4 x 6mm; Nut Head Diameter: 9.5mm/0.37".
- 【Good Quality】-Made of quality carbon steel material, nickel plated surface, sturdy and anti-rust, easy to bind, install and remove, can use repeatedly, good tightness.
- 【Easy to Use】Easily applied with standard screwdriver. Threaded post lets you open and re-attach piece where needed.
- 【Instructions】Make a hole larger than 0.5mm than the diameter of the nut rod, put screws and nuts on both sides of the locked object, and select the appropriate tool to lock it.
- 【Wide Application】Especially suit for leather handicrafts decoration, bookbinding, document, book, album, DIY crafts, etc.
- SIZE - Applicable Hole Dia: 3/16"(5mm); Under Head Size(Male): M4 x 5mm(D*L); Under Head Size(Female): 5 x 75mm(D*L); Screw Head Diameter: 9mm
- Application - Fit for all kinds of DIY, leather crafts, clothing making, or as a fastener to connect two objects. Such as thin photo albums, leather bags, wooden board connections, etc.
- Installation - Make a hole between 0.5-1mm larger than the diameter of the female rod, put the screw and nut on both sides of the locked object, and select the appropriate tool to lock it.
- Easily Used - Used with a screwdriver. The threaded post lets you open and re-attached the piece where needed.
- Advantage - Precision mechanical thread, made of carbon steel material, nickel plated finish, high hardness.
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Last update on 2026-07-19 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Office Screw Post Binders
Key Considerations for Screw Post Binders
When selecting screw post binders, consider these crucial factors to ensure they meet your document organization needs:- Capacity and Size: Determine how many pages you need to bind. Screw posts come in various lengths, dictating the maximum page capacity. Measure your document stack to choose a post length that accommodates your needs without being excessively long.
- Material and Durability: Binders are typically made from plastic or metal. Plastic options are lightweight and cost-effective, suitable for less demanding use. Metal binders offer superior strength and a more professional appearance, ideal for frequently accessed or high-volume documents.
- Ease of Use: Consider how easily the posts can be opened and closed. Some systems feature screw tops that require a tool, while others have knurled tops for hand-tightening. Choose a mechanism that aligns with your frequency of access and available tools.