Drywall screw mainly includes Bugle head, Pan head, CSK head, Wafer head, Hexagonal washed head types. which is mainly applied to drywall gypsum board and wood or galvanized metal stud and ceiling channel.

Material: carbon steel C1018 and C1022 hardened

Type: Self tapping screws, Self drilling screws

Finished surface: Black phosphate, Zinc plated, Grey