Flange head screw Material:1008, 1035,ss304,ss316 Size: M6*10-M20* ... : Plain, black, zinc plated, H. D. G. Product Name: Flange head screw1. Standard: DIN6921 2. Material: 1008, 1035,ss304,ss3163. Size ... reputable supplier of quality fasteners. Our experience in making lathe-made and cold forging fasteners has established us as a most ...