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knowledge of bolt

Categories: Industry newsStars: 3Stars Visit: - Release time: 2016-05-21 16:44:00
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knowledge of bolt

Bolts: mechanical parts, The bolt is threaded fasteners with a cylindrical nut.

It is Consisted of a head and the screw cylinder with externally threaded ,

the bolt need to assort with nut ,used to tighten and connect to two parts with 

hole.

Head style of bolt:hexagonal head, round head ,square head, countersunk head. 

Among them, the hexagonal head is the most common style.

The grade of bolt:3.4、4.8、5.6、5.8、8.8、9.8、10.9、12.9.

The application of the bolt : electronic products, machinery products, 

digital products, electrical equipment, mechanical and electrical equipment. Ships, 

vehicles. 

The precision bolt also used in digital products. The small bolt used in DVD, cameras, 

eyeglasses, watches.The common bolt used in television, electrical products, 

musical instruments, furniture and so on.The big bolt used in engineering and bridge.

 

All in all, as long as the industry exists on earth ,the function of bolt is always important.

 

"Shenzhen Haohaichang Industrial Co., Ltd. "We are mainly manufacture series 

high precision Punching and automatic lathing hardware products,such as 

metal parts for Automotive, household appliances and galvanothermy appliances 

supporting.

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