... 3)Diameter: 3.5mm~4.8mm, 6#~10# 4)Length:9.5~150mm, 3/8"~6 1)Standard: DIN, ANSI,JIS,GB2 ... ,10183)Diameter: 3.5mm~5.5mm, 6#~12#4)Length: 9.5~150mm, 3/8"~6"5)Thread: AB TYPE,A TYPE ... ,Pozi9)Finish: Plain, Zinc, Black Phosphated, Grey Phosphated bugle head drywall screws