Drywall screws is usually applied to wall or ceilings which is interior of drywall, like gypsum board and other mineral between sheets of heavy paper, and framing material of metal or wood. Threaden part of the screws is to grip both drywall and framing material tightly and provide long-lasting installation over time. Sharp point at the end which means no pre-drilling hole needed on drywall and coating cover up to minimize rusting and corrosion as the screw exposed to the wet environment.
S=M3~M8,#5~5/16 L=9~300mm,3/8’’~12’’
Most popular coating: Black, Phosphate, Zinc, and Yellow Zinc