Alloy wheel bolt custom lug bolts for wheels hub screw colored

Alloy wheel boltused in automotive. The bolt is made of SCM435 with heat treating to reaches grade 10.9/12.9 and then phosphate. The total length can be 89/100/102/111/114/115/120/128mm. Ever Hardware provides alloy wheel bolt and customizable packaging.

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 alloy wheel bolt 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.

Heat treating makes the alloy wheel bolt high tensile to be Grade 10.9/12.9. 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 the 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.

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Category Alloy wheel bolt
Finish Galvanized
Thread type Machine threaded
Material SCM435
Brand Ever Hardware
Place of origin China Mainland
Size option M14/M18/M20/M22/M24/M30
Color Grey/Black/Colored

Alloy wheel bolt custom lug bolts for wheels hub screw colored Ever Hardware Industrial Limited