... ., Ltd. Drywall screw Fine or coarse thread black/gray phosphate philips no.21, Diameter: 3.5mm/3.8/3.9mm/4 ... , 250, 600, 1200, 30003,8x704,03100, 300, 700, 1000, 2000, 25004,2x704,22100, 300, 700, 1000, 2000, 25004,2x764,79100, 250, 600 ... , 20004,8x958,58100, 200, 500, 700, 10004,8x1029,08100, 200, 500, 700, 10004,8x12711,67100, 200, 500, 700, 10004,8x15213,92100, 200, 500 ...