Shenzhen Shi Shi Tong Metal Products Co., Ltd

  Phillips pan head self tapping screw factory custom Shenzhen Shi Shi Tong Metal Products Co., Ltd. has 21 years of experience in producing  phillips pan head self tapping screw . The Phillips pan head tapping screws can also be divided into several types. For example, the self-tapping screws have self-tapping flat tails, self-tapping tails, and tapping plastic. Of course, wood screws are also a type of self-tapping screws, but wood screws have a longer tooth pitch. The tip end of the  phillips pan head self tapping screw  can be represented by C type, and the flat tail is represented by F type; C type (spike tail) self-tapping screw is easy to position and easy to assemble, if the sheet metal is relatively thin (such as 0.5mm), even if there is no pre- Punch, you can also break in; F type (flat tail) does not have the above characteristics, but in some occasions where C-type self-tapping screws are dangerous (such as the tip will hurt the human body), you can ...

  How do SST control the quality of the phillips pan head self tapping screw? A customer in the United States gave us an order, which is a  phillips  pan head self tapping screw  and a carbon steel black zinc plated. At the time of producing the customer’s  phillips pan head self tapping screw , Shi Shi Tong did it twice in the beginning. Mainly because the first part of the screw head is not at the same center. At the time of the first inspection, no problems were found. At the second inspection, we found this problem and we immediately stopped production. It turned out that during the production process, the position of the mold was slightly deviated, resulting in the head and the rod not being in the same center.   Then we made adjustments. In the second production, we checked the problem every 10 minutes basically, and it was completed until the beginning, and there was no problem. After the  phillips pan head self tapping screw  is finished, ...

A customer in the United States gave Shi Shi Tong screw supplier an order, which is a  phillips pan head self tapping screw  and a carbon steel black zinc plated. At the time of producing the customer’s  phillips pan head self tapping screw , Shi Shi Tong  crew supplier  did it twice in the beginning. Mainly because the first part of the screw head is not at the same center. At the time of the first inspection, no problems were found. At the second inspection, we found this problem and we immediately stopped production. It turned out that during the production process, the position of the mold was slightly deviated, resulting in the head and the rod not in the same center. Then we made adjustments. In the second production, we checked the problem every 10 minutes basically, and it was completed until the beginning, and there was no problem. After the  phillips pan head self tapping screw  is finished, we start rolling thread. At the ...