What information does the special head screws need to provide?

What information does the special head screws need to provide?: Years ago, Mr. Li found Shi Shi Tong on the Internet and asked if we could customize special head screws. In the drawings provided by Mr. Li

评论

发表评论

此博客中的热门博文

Where To Find Stainless Steel Cap Screws Suppliers?

图片
  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...
阅读全文

Customize black stainless screws, what finishing methods are available?

图片
  Customize black stainless screws, what finishing methods are available? There are many kinds of surface treatment methods for black stainless  screws .  Today,  I’ll  mainly introduce three kinds of methods to you: eco black zinc plating,  electrophoresis black and dacromet black.   The price of stainless steel screw electroplated black zinc is cheap, and the surface is relatively black bright and looks beautiful. However, because the surface adhesion of stainless steel is not very strong, the color of galvanized black zinc stainless steel screw is easy to decline. Screws after electrophoresis black processing mode, its surface has bright color, even though the unit price is more expensive than environmental protection black zinc. And the salt spray resistant time is longer than black zinc.   The unit price of dacromet black screw is relatively moderate, mainly because of its long salt spray resistance time. Therefore, we generally recommend tha...
阅读全文

Why do self tapping screws for aluminum have oxidized spots?

图片
Mr. Chen of Jiangsu gave us a  self tapping screws  for aluminum  2 months ago and asked if we can make aluminum 7075, 100000pcs, 4*12 pan head phillips self tapping screws. We can also produce 7075 aluminum. After asking about Mr. Chen’s request for the surface, Mr. Chen asked the  self tapping screws for aluminum  salt spray test to reach 12 hours. self tapping screws for aluminum  can be used for salt spray testing, but they must be oxidized first, and oxidized spots will appear. Ask Mr. Chen if he can accept it. Mr. Chen said that this aluminum screw is not used for surface assembly. It is used inside the product and can accept oxidized spots on the surface of aluminum screws.
阅读全文