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Plastic Screw Posts
Our plastic screwposts are available in either black or white and are packaged 100 sets (100 posts, 100 caps each). The binding posts/shafts are 1/4" in diameter, which fits comfortably in a standard 5/16" punched or drilled hole. Post & screw heads are 3/8" diameter and 1/8" thick. The heads are all sealed (no openings) & can be tightened/secured using a standard 'flat blade' screwdriver for all sizes except 1/8" (these just snap together).
The Screw Post lengths listed below with each item are the minimum binding thickness of the book (the length or total height of the rear barrel/post portion. A 1/4" screwpost when tightened 100% will accommodate a 1/4" thick book, or slightly larger if not tightened all the way. The overall/total length of a post with the screw installed is approximately 1/8" longer than the length that is listed.
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