These Suki Pan Head Self Tapping Screws feature a Phillips pan head and fully threaded body with a drillpoint tip providing accurate hole diameters These screws help you with drilling, thread forming, tapping and screwing, all in a single operation – thus saving you time and effort These screw are ideal for fastening sheet metal (up to 6 mm thick), aluminum, plastic materials and wood flat tires without pre-drilling No prior drilling required in material Corrosion resistant zinc plating Use for fastening sheet metal Use for fittings in aluminum, plastic and wood