Fasteners are relatively common parts in mechanical equipment and play a vital role. However, corrosion of fasteners during use is also a relatively common problem. In order to prevent the corrosion of fasteners during use, manufacturers will perform surface treatment on the fasteners after they are... read more
Because the blackening process does not cause hydrogen embrittlement to high-strength threaded fasteners, it is often used as a surface anti-corrosion treatment for high-strength threaded fasteners. The traditional blackening process is the alkaline blackening process. Because it requires a large ar... read more
Stud bolts usually need surface treatment, and there are many types of bolt surface treatment. Commonly used are electroplating, blackening, oxidation, phosphating, and non-electrolytic zinc flake coating treatment. However, electroplating fasteners account for a large proportion of the actual use o... read more
Threaded sleeves are very common in structural assembly, and are often used in forgings, castings and machined parts. Especially when the threaded holes cannot provide enough thread shearing area, and the self-locking device cannot be used, the built-in threaded sleeve is a very effective s solution... read more
The main problems of high-strength fastener products are as follows: (1) Guaranteed load, wedge load is unqualified. Guaranteed load and wedge load are the key items for evaluating the mechanical properties of the product under tensile load (Class A), which is especially important for high-strength ... read more
Yuyao Xintai Hardware Co., Ltd. was founded in 2005, which is a professional China construction anchor bolts manufacturers and concrete anchor bolts factory,our company engaged in various kinds of expansion bolt,high strength fasteners. We are near to Hang Zhou Bay, and cover 7000 square meters.
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