Self-tapping screws for plastics, formed or tapped when screwed into plastic material with pre-drilled or moulded pilot holes.
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.
Dacromet also known as DACROTIZED again.RUSPERT is an eco-friendly coating developed after Dacromet. Both DACROMET and RUSPERT finishes contain a ceramic coating.Dacrotized
Dacromet and Ruspert have many advantages over galvanized and hot-dipped zinc. Both Dacromet and Ruspert coatings have good adhesion and improved corrosion resistance.