Products name :Drywall screws Place of origin: China Features: Coarse thread ,Fine thread Raw material: Carbon steel 1022 Head type: Bugle head Driver: Phillips, Square, Diameter: 3.5-4.8mm Length: 16-152mm Finish: Hardened, Z.P., Black Phosphated, Grey Phosphated Packing: Small or bulk packaging, according to customers'requests

