Screw Posts are sold in sets of 100 (100 screws & 100 posts).
Screw Post Extensions are 100 per box.
Also referred to as "Chicago Screw Posts" & "Chicago Screws", our Aluminum screw post binding posts are a great choice for swatch books, architectural and engineering drawings, or any application where loose sheets need to be kept together.
- Color: Silver
- Length: Choose from 1/8" to 4"
- Diameter (outside post): 3/16"
- Diameter (outside screw head): 7/16"
- Recommended hole size: 1/4 to 5/16"
- Screw Posts 3/8" & smaller: post is threaded all the way through
- Screw Posts 1/2" & larger: post is threaded on one side
- Screw Head: 1/16" (A top & bottom head will add an additional 1/8" to post length)

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