Engine Bolts Engine Parts Cylinder Head Kit Autoparts 12 Point Black

The engine bolts used in automotive. Automotive fasteners are a collection of products that are used in automotive and vehicle assembly. They are usually designed for specific makes/models of vehicles. The fasteners are made of SCM435 with heat treating to reaches grade 10.9/12.9 and then phosphate. The total length can be customized. Ever Hardware provides custom-made fasteners and customizable packaging.

Phosphate coatings are a crystalline conversion coating that is formed on a ferrous metal substrate. The process of Phosphate coating is employed for the purpose of pretreatment prior to coating or painting, increasing corrosion protection, and improving friction properties of sliding components. In other instances, phosphate coatings are applied to threaded parts and top coated with oil (P&O) to add anti-galling and rust inhibiting characteristics.

Heat treating makes the engine bolts 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.

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