Detailed Product Description Hardware>>Fasteners>>Screws flat head tapping screws 1. Standard: GB BS JIS ANSI DIN Or Non-Standard2. Dia:M3-M12mm 3. Length:20-60,20-60,20-100,20-1304. Surface: Zinc-plated,Plain,Galvanized-Coating. Material: SteelC1010,1018,StainlessSteel,AlloySteel.High quality & Best competitive price. Strictly quality man power sorting and inspection. Professional strong ...