1)self drilling screw with rubber washer 2)size:many size 3)high quality 4)packing:small box ,carton

Self Drilling Screws With Rubber Washer 1Size: M3-M16 2 Grade: 4.8, 8.8 3.Finish:  Plain, zinc plated, galvanized, nickel plated. Black 4.Standard model: DIN, GB, ISO, ANSI, ASME, JIB etc.

 5.Material: Carbon Steel, Stainless steel, Aluminium, Brass 

6. Coating: Plain, zinc plated, galvanized, nickel plated. Black

self drilling screw