Black Grey Phosphate Drywall Screws for Gypsum Board

·  Made of high carbon steel wire, overall quenched for high hardness, no bending during screwing.

·  Black phosphate surface treatment reduces friction, anti-rust for indoor dry construction environment.

·  Fine twin thread design improves gripping power, not easy to loose after fixing gypsum boards.

·  Countersunk bugle head, sinks flat gypsum board without protruding surface.

·  Full size series supplied, OEM label and mixed-size packing acceptable for bulk orders.

·  Material: High carbon steel wire

·  Surface treatment: Black phosphate / Galvanized

·  Common sizes: 16mm, 25mm, 32mm, 38mm, 45mm, 50mm

·  Thread type: Fine thread for wood base; Coarse thread for metal stud

·  Packing: 20kg/25kg export carton, small plastic bag inner packing customizable

·  Fixing gypsum board, plasterboard for indoor partition walls and suspended ceilings.

·  Fastening light steel keel, wooden joist and decoration panels in construction decoration.

·  Indoor renovation, office partition, residential wall and ceiling engineering projects.

·  Furniture assembly, light-weight wooden plate and composite board installation.