Stainless steel self drilling screws can be divided into Phillips pan head stainless steel self drilling screws, countersunk head cross stainless steel self drilling screws and hex flange self drilling screws. Stainless steel self drilling screws with drill itself Heze, Shandong A4-80, drilling and tapping Tighten once. Multi-color plate for connection and fastening. Heat treatable material is SUS410 stainless steel material. Drilling screw is also known as self drilling screws. SUS304 and SUS316 stainless steel hexagonal self drilling screws generally need to order, delivery time of three working days. Standing stock of stainless steel self drilling screws for SUS410 material Lockwashers - Jinan Daoqin company lockwashers composed by two set of upper and lower teeth with different. Extensive use days engines, marine equipment, such as locking demanding situations. There are two kinds of material lock washer lock washer and carbon-carbon stainless steel galvanized Jinan, Shandong A4-80, Jinan Road ground (certified), provided by the Jinan Shandong A4-80 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.