External causes produce stainless steel screw locking phenomenon: the stainless steel bolts are not carefully cleaned off the production line or saved in the process, to be used directly on the production line and cause the product to have a threaded locking phenomenon Main products include foreign body occurred: 304/316 / 316L GB (GB) / German standard (DIN) / Japanese standard (JIS) and other stainless steel screws series: Cup head (DIN912), flat glass (DIN7991), round cup (ISO7380), Jimi (DIN916, DIN915, DIN914) Cypriot fight (ISO7379), glottal (PT, NPT, PG) hexagonal head bolts (GB5783, GB5782), hexagonal nut (GB6170, DIN934, etc.), studs, micro-electronic screws, threaded rods, flat washers, spring rings , pin, button, thread jacket and so on. Which Qingdao stainless steel screws. Stainless steel screws series: l stainless steel hex hex screws l l stainless steel screws Phillips head screws stainless steel tapping screws l l l stainless steel set screw square neck bolts stainless steel eyebolts l l l stainless steel washers stainless steel nuts series series. Which Zibo stainless steel screws stainless steel screws Which is good, Jinan Road ground, Which Dongying stainless steel screws provided by Jinan Daoqin Trading Company. Stainless steel screws Which is good, Jinan Road ground, Dongying stainless steel screws Which Jinan Road ground Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) this year introduced a new upgrade, the above picture is for reference only, please You call Tel picture on this page or to obtain the latest information, contact: Chuan-use.