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This is the drywall screw
Drywall screws have become the standard fastener for securing all or part of a drywall panel to a wall stud or ceiling joist.
넶2 2023-03-15 -
Thread cutting and thread forming self tapping screws for plastics
Self-tapping screws for plastics, formed or tapped when screwed into plastic material with pre-drilled or moulded pilot holes.
넶15 2022-08-04 -
Surface treatment of black screws
Black screws are mainly used to fix the bottom or rear shell of black or other dark electrical appliances. Also use black screws. It mainly has several processes such as oxide black, black nickel, black zinc and electrophoresis black.
넶26 2022-07-24
