Pan Head Self-Drilling Screw with PH Slotted 1Size: M3-M16 2 Grade: 4.8, ... : China(Mainland) Size: M3-16 (as your favor)Model Number:Pan Head Self-Drilling Screw with PH SlottedGrade: 4.8, 8.8Length: 13mm ~ 254mm (1 ... model: DIN, GB, ISO, ANSI, ASME, JIB etcMaterial: Carbon Steel, Stainless steel, Aluminium, Brass Coating: Plain, zinc plated, galvanized, nickel plated. BlackWe ...