
Black Phosphated Galvanized Standard Bugle Head Fine Coarse Thread Perfect Gypsum Dry Wall Drywall Screws. Customizable Dimensions: Length ranges from 13mm to 150mm to meet specific project needs. Multiple Surface Treatments: Options include phosphated, galvanized, zinc infiltration, and more. Logo Customization: We provide logo customization service according to customer requirements. ISO9001 Certified: Holds ISO9001:2008 and EN 14592:2008+A1:2012 certificates. CE Certified Quality: Drywall screws have CE Certification with zero quality complaints in 5 years. Fast Delivery: Normal delivery time is 15-30 days after order confirmation. Versatile Application: Ideal for gypsum boards, partition walls, ceilings, and furniture. Professional Manufacturer: Leading manufacturer with 280 sets of automatic production equipment.