... Machine Screw 1. Hight Quality Fasteners 2. Standard and Non-standard Fasteners 3. Customer First,Service Fi Standard and Non-standard Self Drilling Screw • ... produce according to buyer's drawing or samples/Non—standard fasteners. Raw Material : SAE1010 SAE1035 SAE5140 Quality ... ’s requirementStandard:ISO, DIN, ANSI, JIS, BS, Non-standardSurface :Galvanized (Various of color), dacromet, blackened, ...