drywall screw Material:C1022A Szie:3.5x16-4.8x152mm FInish ... 4.2mm /4.8mm 2, Length: 16mm-152mm3, Material: C1022A4, Finish: black phosphated/Grey/white zinc plated5, ... 500, 700, 1000Black phosphate bugle head fine thread drywall screws Loading the container Our factory: all our machines ... umbrella head, clout nails, coil nails; screw: drywall screw, chipboard screw, self drilling or tapping screws and ...