Combination screw torx pan head screw washer attached sems screw
Combination screw is also known as sems screw. SEMS screw combine two separate parts into one pre-assembled, low cost fastener. With washers under the head, SEMS screw are fast, permanent, and easily adaptable to many applications. Ever Hardware provides custom made combination screw and customizable packaging.
Torx developed in 1967 by Camcar Textron, is the trademark for a type of screw head characterized by a 6-point star-shaped pattern. A popular generic name for the drive is a star, as in star screwdriver or star bits. The official generic name, standardized by the International Organization for Standardization as ISO 10664, is hexalobular internal. This is sometimes abbreviated in databases and catalogs as 6lobe (starting with numeral “6”, not a capital “G”). Torx Plus is an improved head profile.
Torx screws are commonly found on automobiles, motorcycles, bicycle brake systems (disc brakes), hard disk drives, computer systems and consumer electronics. Initially, they were sometimes used in applications requiring tamper resistance, since the drive systems and screwdrivers were not widely available; as drivers became more common, tamper-resistant variants, as described below, were developed. Torx screws are also becoming increasingly popular in construction industries.
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does. However, it is not fully stain-proof in low-oxygen, high salinity, or poor air circulation environments. There are different grades and surface finishes of stainless steel to suit the environment the alloy must endure. Stainless steel is used where both the properties of steel and corrosion resistance are required.
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|Thread type||Machine threaded|
|Material||Steel or Stainless steel/Aluminum/Titanium|
|Place of origin||China Mainland|
|Size option||M1.0 to M30|