DIN18182 Drywall screw(fine thread or coarse thread) Material:Carbon steel C1022 Diameter:3.5-4.8mm Length:13-150mm Finished:Tempered Phosphate:black, gray Galvanized:bluewhite,white,yellow Slot&Head:Phillips recess & Bugle Thread & Point:Twin fast & Sharp Application:Metal fixingï¼?max 1.5mmï¼?