Black Phosphating Dry Wall Screws/Self Drilling Screw

Black Phosphating Dry Wall Screws/Self Drilling Screw. Self-Drilling Capability: Features self-drilling and self-tapping tails for direct installation without pre-drilling. Anti-Corrosion Protection: Available with black/grey phosphating or zinc coating for good anti-corrosion ability. Customization Options: Supports customized design, ODM, OEM, and flexible customization from samples or designs. Fast Delivery Guarantee: Own annealing lines ensure fast delivery; 5-10 days for stock, 2-4 weeks for custom orders. Free Sample Availability: Free samples provided, though the customer must cover the freight cost. Manufacturer Direct: Direct manufacturer with over 20 years experience and 100% finished product inspection. Wide Size Range: Available in lengths from 11mm to 150mm with various head styles and thread types. Global Export Experience: 80% of products exported to Asia, South America, Russia, Middle East, and North America.