Material: Carbon Steel
Blackened Carbon Steel Drywall Screw – Surface treated with black oxide rust prevention. Offers high overall hardness and stable torque. The matte black finish provides a better concealed installation effect for renovation work. Sharp, smooth threads allow easy penetration into boards with secure fastening that resists loosening and eliminates reflective interference. Suitable for simple, concealed construction. Focuses on high hardness and low cost. Ideal for indoor dry, concealed areas such as interior partition walls and hidden ceilings in standard dry renovation projects. Economical and practical, suitable for large-scale project procurement.