Screw post portfolio post and screw set screw post book binding
Screw post portfolio is traditionally used for binding photo albums, swatch books, and wine menus, but are also great for binding oversized documents like manuscripts or blueprints, design portfolios, and scrapbooks! Screw post portfolio is perfect for almost any application where loose pages need to be kept together! Ever Hardware offers screw post portfolio in SILVER, BLACK, GOLD, or ANTIQUE BRASS, and PLASTIC screw posts in either white or black.
Brass is a metal alloy made of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. It is a substitutional alloy: atoms of the two constituents may replace each other within the same crystal structure.
By comparison, bronze is principally an alloy of copper and tin. However, bronze and brass may also include small proportions of a range of other elements including arsenic, phosphorus, aluminum, manganese, and silicon. The term is also applied to a variety of brasses, and the distinction is largely historical. Modern practice in museums and archaeology increasingly avoids both terms for historical objects in favor of the all-embracing “copper alloy”.
Brass is used for decoration for its bright gold-like appearance; for applications where low friction is required such as locks, gears, bearings, doorknobs, ammunition casings, and valves; for plumbing and electrical applications; and extensively in brass musical instruments such as horns and bells where a combination of high workability (historically with hand tools) and durability is desired. It is also used in zippers. Brass is often used in situations in which it is important that sparks not be struck, such as in fittings and tools used near flammable or explosive materials.
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|Category||Screw post portfolio|
|Thread types||Machine thread or according to request|
|Material||Brass/Stainless steel/carbon steel|
|Place of origin||China Mainland|
|Size option||M1.0 to M30|
|Color||Natural or as request|