China wholesale Hex bolt full thread Suppliers – ISO4014 40Cr all sizes grade 8.8 10.9 high strength high tensile hex bolt – Zhongli bolts

● Place of Origin:Ningbo,China
● Finish: ZINC, Plain, black
● Material: Steel, carbon steel,
● Brand Name: ZYL
● Grade:  8.8/ 10.9/ 12.9
● Application: Industry, building

1.what are hex bolt?
Hexagon head bolts, including outer hexagon bolts and inner hexagon bolts, are commonly used as fasteners, mainly used for fastening mechanical equipment.
2.What is the purpose of hexagon bolts?
Match with the nut, and connect the two parts into a whole by using the threaded connection method. The feature of this connection is detachable, that is, if the nut is unscrewed, the two parts can be separated.
3.What are the characteristics of hexagon head bolts?
Hexagon-head bolt is a commonly used screw in machinery, which has the advantages of easy fastening and disassembly, difficult sliding angle and so on.
4.Matters needing attention in installing external hexagon bolts.
1. When installing the external hexagon bolts, the force is uneven, and the force is too large when tightening the bolts. There is no corresponding wrench for each type of bolt to tighten, so the bolt does not reach the best condition. Some people think that the tighter the bolt is, the better it will be, but this is not the case. If the force exceeds the bearing limit of the bolt material, the bolt will be deformed or even broken. (It is necessary to use a suitable wrench and appropriate strength to tighten the bolts)
5: Are you a manufacturer or a trading company?
Ningbo Zhongli Bolts Manufacturing Co., Ltd. is a factory that manufactures fasteners. It has many years of experience in bolts, nuts, threaded rods and washers in Ningbo, China.
6.How about your price?
High-quality products at reasonable prices. Please make me an inquiry and give you a quotation for your reference at the first time.
7. Can you provide free samples?
For new customers, standard fastener samples can be provided free of charge, but customers need to pay for express delivery. For old customers, we will send you samples free of charge, and the courier fee will be paid by ourselves.