Drywall Screw Specification :1-1 / 8 "--- 2." Length: 15mm-150mm Features: Phillips ... fine pitch Drywall ScrewOur main products are: dry wall screw, chipboard screw, self tapping screw, wire gong, pneumatic steel nails, round nails, plastic ... , coarse or fine pitchUses: mainly used for nail decoration board, cork board, paulownia board and roofing Surface Treatment:: black phosphate, or ...