Yanggu Yihui Drilling Tools Co.,Ltd.
ADDRESS:No.216 Zhengyang Road, Qingdao, Shandong,China.
Nuts are nuts, which are screwed together with bolts or bolts to tighten parts. All manufacturing machinery must use one of the original parts. Nuts have a wide variety of types, we commonly have the national standard, British standard, American standard, Japanese standard nuts. Nuts are divided into carbon steel, high strength, stainless steel, plastic steel and other major types according to different materials. According to the product attributes corresponding to different national standard numbers are divided into ordinary, non-standard, (old) national standard, new national standard, American system, British system, German standard.