Jinan Road ground stainless steel self drilling screws Type: In addition to the distinction between the material of carbon steel and stainless steel self-tapping screw tapping screw Heze A4-80 screws in shape and use functions to distinguish between different standards. Among them are: self drilling screws, self-tapping screws horizontal tail, pointed tail self-tapping screws, Phillips pan head self tapping screws, self-tapping screws countersunk head cross, triangle teeth locking type self-tapping screws, pan head self drilling screws, Shen head self drilling screws, hex flange self drilling screws. Lockwashers - Jinan Daoqin company lockwashers composed by a set of two, upper and lower, with different tooth. Extensive use days engines, marine equipment, such as locking demanding situations. Materials are two lock washers and lock washers galvanized carbon-carbon stainless steel screws A4-80 Jining |. Jinan Road ground (certified) | A4-80 screws provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.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. You can also access (www.daoqinshangmao.com/supply_details_43896635.html), for more information about the company.