Why do torx washer head screws do this during the production process?

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Where To Find Stainless Steel Cap Screws Suppliers?

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  Where To Find Stainless Steel Cap Screws Suppliers? Mr. Li needs to purchase a stainless steel cup head screw, looking for a supplier that can produce stainless steel cup head screws, but I don’t know where to find  stainless steel  cap screws suppliers ? What is the quality of the manufacturer found? Mr. Li has just started looking online, looking for several  stainless steel cap screws suppliers , and also did some research on their company, which excluded some suppliers of stainless steel cup screws. Then, Mr. Li looked at the location of these companies and wanted to select several field trips that were closer to him. Then Mr. Li came to the Shi Shi Tong screw manufacturer. Mr. Li first looked at our production process and the inspection process in production. And filmed the video in production. Mr. Li also asked us why we have so many wires, and the screw factory that he went to before did not have so many wires. We told Mr. Li that we are still a supplie...
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Why do the hex socket flat head screw need to be dehydrogenated?

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Kim is the person responsible for purchasing in a company in Australia. According to the needs of their company, Kim was looking for a screw manufacturer that could produce  hex socket flat head screw  at last week. Kim found Shi Shi Tong on the Internet and sent us the drawings of the  hex socket flat head screw  to ask if we can produce them. And Kim deliberately emphasizes the need to perform hydrogen removal treatment at the time of production. In general, carbon steel screws, no matter what the size of the screws, when the surface is carburized or heat treated screws will have the risk of hydrogen embrittlement, which is what we often say brittle. Screws with a strength class above 10.9 are required to be dehydrogenated after plating, otherwise the screws are prone to brittle fracture. Kim said that the  hex socket flat head screw  they ordered at another supplier last time were 6.8, but they were brittle when they were used. Therefore, this tim...
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