What is the trace on the surface of the round head slotted machine screws?

What is the trace on the surface of the round head slotted machine screws?: There are traces on the surface of the round head slotted machine screws. Generally, there is a problem with the mold. For example

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screw manufacturer, custom screw, screw supplier

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No matter what the product or accessory, there will always be someone who needs it badly at some point. When a seller can quickly provide the product he needs, he will pick up the goods from that seller. The same with screws. A few days ago, Mr. Wang searched “jieyang  screw manufacturer ” on the Internet When looking for jieyang  screw manufacturer , Mr. Wang found Shi Shi Tong and sent us the screws he needed, asking how soon we could ship them. After looking at Mr. Wang’s screw drawing, Shi Shi Tong found that this screw is not standard, the diameter of the screw head is 2mm larger than the standard, so it needs to be produced. And Mr. Wang said he was in urgent need, so Shi Shi Tong took this into consideration, so the production needs to be accelerated, the production time needs about 5 working days, the express delivery can be sf express, the next day. Mr. Wang said he would wait for jieyang screw manufacturer to give him the delivery time, he needs to compare.   A ...
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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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What effect does washer head screws have?

Generally speaking, no matter what type of screw, they will have their own role. For example, the head with serration, is generally in order to prevent slip, screw screw part point with blue glue, is to make the screw in the assembly after more difficult to fall out, the fastening effect is better. So what does the washer head screws do? washer head screws is generally the finger with washer, rather than the screw head under the flat washer, spring washer. This screw is generally to increase the area of contact between the screw and the object, reducing friction. At the same time also save wear flat pad, spring pad time, prevent screw loose. And washer head screws can be made with pan head, cup head, big flat head is flat to make a screw with washer, and countersunk head, half countersunk head is not made with washer head screw. In addition, the diameter of meson can be large or small. For example, for the screw M6 of some customers, the diameter of meson may be made into ...
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