... ,carbon steel 3Size:10-32 4model number: DIN,GB,ANSI SS304,303 Security Screw 1Place of origin:Guangdong China(mainland)2Material:stainless ... .1 head size.54model number: DIN,GB,ANSISS304,303 Security Screw 1type: Six Lobe Torx Recess Security Screw 2head type: Pan Head , Fillister ... , Truss Head4Finish:Zinc plated,Nikel plated,Oxidation,etc Stainless steel Security Screw