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Chicago Screw Posts are a removable and quick way to secure loose sheets of paper together with a clean, finished appearance. With no special equipment or binding machine necessary, you can quickly bind samples, swatch books, pictures, and more.
These 1/2" aluminum screw posts come in two halves, and as the name suggests, one is a screw, and the other is the post. Once your materials are punched, slip them onto the long post side, and close the bind by rotating the screw end together. With a smooth exterior finish, you can change the contents without having to worry about scuffing.
Specifications:
- Color: Silver
- Usable Length: 1/2" Aluminum Screw Posts
- Number of Pieces: 100 Screws & 100 Posts
- Post Size: 3/16" (use a 3/16" or slightly larger hole in your documents)
- End Size: 7/16" Diameter
- Material: Metal (Aluminum) Screws & Posts
How to choose the correct size Screw Posts for Binding:
Stack the document or materials you will be binding, and measure the total thickness with a ruler. Find the closest size up from that measurement (if needed, pair an extension with a screw post to get the perfect length). If you have any questions about the best aluminum screw posts for you, call us at 1-866-455-9900 and we'll help you find exactly what you need!
| Size |
Screw & Post End Types |
Bind Capacity |
Usable Extensions |
| 1/8" |
1 Side Slotted (Flat Head) / 1 Side Hole |
Up to 1/8" |
1/4" & 1/2" Extensions |
| 3/16" |
Up to 3/16" |
| 1/4" |
Up to 1/4" |
| 3/8" |
Up to 3/8" |
1/4", 1/2", 3/4", & 1" Extensions |
| 1/2" |
1 Side Slotted (Flat Head) / 1 Side Smooth |
Up to 1/2" |
| 5/8" |
Up to 5/8" |
| 3/4" |
Up to 3/4" |
| 7/8" |
Up to 7/8" |
| 1" |
Up to 1" |
| 1-1/4" |
Up to 1-1/4" |
| 1-1/2" |
Up to 1-1/2" |
| 1-3/4" |
Up to 1-3/4" |
| 2" |
Up to 2" |
| 2-1/4" |
Up to 2-1/4" |
| 2-1/2" |
Up to 2-1/2" |
| 2-3/4" |
Up to 2-3/4" |
| 3" |
Up to 3" |
| 3-1/2" |
Up to 3-1/2" |
| 4" |
Up to 4" |
| 4-1/2" |
Up to 4-1/2" |
| 5" |
Up to 5" |
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User Manual - 1/2" Aluminum Screw Posts (Chicago Screws) 100 Pack
