... 4.Screw Finsh:Black/grey phosphating,Z/P Fine thread bugle head drywall screws Products Details: Products Name: Drywall Screw Size ... .8 Lenght: 15MM-150MM Material: C1022 Thread : Fine Head type: Bugle head, phillips drive, Drilling point Finish: Black/grey phosphate or ... : 1. Fine thread 2. Coarse thread 3. Drilling point 4. Bugle head 5. Phillips drive Packing show:1. One of the ...