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2022
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07
HDG Carriage Bolt supplier china small class tells the little knowledge of bolts
How much do you know about bolts? Let's follow the editor of HDG Carriage Bolt supplier china for a brief understanding!
The connecting bolt is to provide a connecting bolt that is easy to assemble, the screw rod of the bolt is not easy to be corroded, and the strength of the bolt end is high, and the connecting bolt comprises a body, and the body is connected by successively and coaxially. The tightening piece and the end head are integrally formed, and the screw rod is composed of a reinforcing rod, a connecting rod and two reinforcing rods which are connected in sequence. The diameter of the rod gradually increases in the direction from the screw to the end, the preload is in the shape of a disc, and the preload includes a concave bottom surface and an external convex top surface, and both the bottom surface and the top surface are arc-shaped.
The above is the introduction of HDG Carriage Bolt supplier china: a brief introduction to some knowledge about bolts.
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