... :Guangdong China(mainland) 2Material:stainless steel,carbon steel 3Size:10-32 4model number: DIN,GB,ANSI SS304,303 Security Screw 1Place ... ,carbon steel3Size:length,5-60mm,head thick,0.1 head size.54model number: DIN,GB,ANSISS304,303 Security Screw 1type: Six ...