External causes produce stainless steel screw lock phenomenon:) force angle in the wrong direction. In use, the nut must be perpendicular to the axis of stainless steel screws stainless steel screws screwed Taian best, but an easy tilt lock. A-286 stainless steel screws designed for Qingdao, a nonstandard stainless steel, than the commonly used 18-8 stainless steel has a higher resistance to corrosion of stainless steel screws Zaozhuang cheap, and when the temperature is increased still has good mechanical properties. Used high-strength, heat-resistant, corrosion-resistant stainless steel screws can be used to 650 ~ 700 ℃. Austenitic stainless steel: 302,303,304,305 common model for the four models, namely the so-called "18-8" type austenitic stainless steel four models. Whether corrosion resistance or mechanical properties are similar. The starting point is the selection of the production process for a stainless steel screw, and the method in turn depends on the size and shape of the stainless steel screw, and also depends on the quantity of production. Zibo stainless steel screws and cheap, Jinan Road ground (certified), stainless steel screws provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Road ground in leadership with the staff warmly welcome all inquiries negotiations to create Jinan Daoqin a better future.