Flat head self-tapping screw Head type: Countersunk head/Flat head Driver: Phillips Diameter: 3.9/4.2/4.8 Length: 9.5mm-63.5 Finish: Hardened, Z. P., Packing: In small box or bulk packaging, according to your requests. Minimum order: One Container Payment: T/T Or L/C Price Terms: FOB OR CIF

3.9/4.2/4.8 screw for aluminum composite panel