3/8" Black Plastic Screw Posts - 100pk

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Item# SO38BKP
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Regular: $26.79
Regular: $40.29


Plastic screw posts are an economical alternative to binding a project together with traditional aluminum screw posts. By choosing to bind your project with screw posts, you are given the freedom to edit your document as you please. Using screw posts you can make or edit portfolios, scrap books, photo albums, or any application where loose sheets need to be kept together. Also known as Chicago Screws or Chicago Screw Posts, they consist of two parts - a screw and a post. These 3/8" black plastic screw posts can be tightened and secured by simply snapping together since the barrels are self-tapping and are not pre-threaded. When tightened 100%, the 3/8" screw post will accommodate a 3/8" thick book, or slightly larger if not tightened all the way. Keep in mind that the total length of a post with the screw installed is approximately 1/8" longer than the length that is listed.

Product Details

  • The diameter of these posts is 1/4" and they are designed for use with a 5/16" hole that can be either punched or drilled into your documents to accept these posts.
  • The post length for these screw posts is 3/8". This means that the maximum binding thickness for these screw posts is 3/8". For best results and to ensure a correct fit, please measure your document thickness and ensure that it will fit.
  • The heads of the posts and the screws are 3/8" in diameter to ensure a good fit with 5/16" holes.
  • The color of these screw posts is black.
  • These plastic screw posts are packaged 100 Sets Per Box
  • Part Number: SO38BKP

Demonstration Video

Everything There Is To Know About Screw Posts Video

Transcript: Welcome to MyBinding video. This is everything you need to know about Screw Posts. When using screw posts, there is no support to keep your pages straight, so we recommend using a thicker cover to help it from bending easily. They can be good for binding other materials, such as leather, which is thick and can't be used in a punch machine. You can find sizes of posts ranging from 1/8" to 5" and we offer aluminum posts, brass posts, black, gold, white plastic and black plastic. There are also extensions so you can use your smaller posts on the occasional larger project. They are made to fit int ...