اسم العلامة التجارية
Zhongpin
Product name
hex self drilling screw
Material
stainless steel304,316,410, carbon steel
Surface treatment
galvanized, yellow zinc plated etc
Grade
4.8/ 8.8/ 10.9/ 12.9 Ect
Standard
DIN7504,ANSI/ASTM, B7, BS, BSW, JIS etc
Application
Construction and metal connnection etc