External causes produce stainless steel screw lock phenomenon :) urging angle in the wrong direction. In use, the nut must be perpendicular to the axis of stainless steel screws screwed, Qingdao captive screws, a tilt but it is easy to lock. Company: Jinan Daoqin Founded in 2008, captive screws, located in the capital city of Shandong Province, the beautiful Springs - Jinan, is a young company, Yantai captive screws with a young team, but we are very professional . Division I since 2011 to become China's largest professional stainless steel fastener manufacturers - strategic partner Zhejiang Dongming Stainless Steel Co Ltd, the 5 consecutive years Dongming "THE" "TONG" in Jinan, Shandong Province in the special distribution rights. Stainless steel screws series: l stainless steel hex screws stainless steel hexagonal screws l l l stainless steel Phillips head screws self-tapping screws stainless steel set screw l l l stainless steel square neck bolts eyebolts l l stainless steel washers Nuts captive screws _ _ Jinan, Yantai Daoqin captive screws provided by Jinan Daoqin Trading Company. Captive screw Daoqin _ _ Jinan, Yantai captive screws 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 call Tel This page or image on to obtain the latest information, contact: Chuan-use.