Screw posts, otherwise called Chicago screws or restricting posts, are incredibly flexible restricting gadgets that permit free archives of for all intents and purposes any shape or measure to be safely bound together. These minimal expense, reusable screws empower the client to handily change out bound records, going with them an extraordinary decision for cost books, menus, sample guides, and considerably more.
A screw post is comprised of two separate pieces – a strung post joined to a head and a chamber connected to a matching head. To make a bound thing, an opening is first punched through the records to be bound. The chamber is embedded into the opening, and afterward the strung post is embedded into the chamber and fixed. Since the heads are of a bigger breadth than the opening, the records remain safely bound between them. To make changes inside the bound report, basically unscrew the strung post from the chamber, embed your amended archives, and reassemble the screw post.
One more famous use for restricting posts is related to exceptionally planned portfolios or fasteners. These portfolios join the security and solidness of a hard-bound book effortlessly of updates given by screw posts #6 screw diameter. For the most part, screw post folios have pivoted covers and pre-penetrated openings to oblige the posts. The client embeds their reports into exceptional sheet defenders that have an opening example that matches the cover, and afterward strings the post through the cover and sheet defenders, fixing it to get the records. Since the portfolio is expandable, the client is allowed to add or eliminate sheets in light of their requirements.
Chicago screws are sold in light of post length, and they are accessible in lengths going from 1/8″ to 4″. Screw post expansions, which permit clients to add length to a post to safely tie extra reports, are accessible in lengths going from 1/4″ x 3/4″. The following are normal particulars for aluminum screw posts: