4)Finish: Zinc Plated, Nickle Plated, Black Oxide, Black & Grey Phosphated Ruspert, Dacrotized
5) Packing: 1,000 pieces/box , 16boxes then into carton
6)Useage:drywall screw do much less damage to wood and are easier to remove and even be reused. Mainly used for fixing and connecting iron joists, plasterboard, suspended cellingand recycled wooden products
Normal Size: (3.5x25 or 6x1"is the best seller among all market)
Handan Changfa Fastener Manufacturing Co.,Ltd located in South of Ningtun Village,Handan Hebei. Where is one of the China's largest fastener market. Our factory specializes in producing different kinds of thread rod ,bolts ,nuts ,screw etc. our company has been committed to providing high-quality products and excellent services worldwide. For many years, relying on the first-class technology, excellent management systems and strong R&D capability, our company has become a modern enterprise with 8 senior engineers, over 60 technicians and more than 100 sets of production and inspection equipment.