Black electronic screws cheese small machined screws for electronics
Black electronic screws have a uniform diameter the entire length of the shaft as opposed to tapered screws which have a pointed tip. They are used to fasten machine components, appliances and more. Ever Hardware provides custom made black electronic screws and customizable packaging.
Heat treating makes the black electronic screws high tensile. Heat treating is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment involves the use of heating or chilling, normally to extreme temperatures, to achieve a desired result such as hardening or softening of a material. Heat treatment techniques include annealing, case hardening, precipitation strengthening, tempering, normalizing and quenching. It is noteworthy that while the term heat treatment applies only to processes where the heating and cooling are done for the specific purpose of altering properties intentionally, heating and cooling often occur incidentally during other manufacturing processes such as hot forming or welding.
Galvanization, or galvanisation, (or galvanizing as it is most commonly called in that industry), is the process of applying a protective zinc coating to steel or iron, to prevent black electronic screws rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc. Galvanizing protects in three ways:
It forms a coating of zinc which, when intact, prevents corrosive substances from reaching the underlying steel or iron.
The zinc serves as a sacrificial anode so that even if the coating is scratched, the exposed steel will still be protected by the remaining zinc.
The zinc protects its base metal by corroding before iron. For better results, application of chromates over zinc is also seen as an industrial trend.
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|Category||Black electronic screws|
|Finish||Heat treating & Galvanization|
|Thread||Machine thread or as request|
|Material||Teflon/Brass/Stainless steel/carbon steel/Aluminum|
|Place of origin||China Mainland|
|Size option||M1 to M30 or #0 to 1-1/8″|
|Color||Black or as request|