China Cheap price Din912 Allen Key Bolt - DIN6921 Hexagon-head flange bolt DIN6921 – Tiancong

Product Description

Hexagon-head flange bolt, as a particularly common industrial equipment and appliance used in the industry, because of its decoration precision endurance and strong characteristics, get

In widespread use, it was widely used on road and railway bridges, which also include industrial and civil buildings, and cranes. Excavator pen heavy duty Mechanical.

Hexagon-head flange bolt is composed of hexagon head and flange surface, its “support area and stress area word ratio” is greater than the ordinary hexagonal head bolt, so this bolt can withstand higher pre-tension force, prevent loosening performance is better, so it is widely used in dry automobile engine, heavy machinery and other products
On, the hexagon head head with holes, with slot bolts, when used, the bolts can be locked by mechanical methods, reliable protection against loosening.

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