
5.5 X 25 DIN 7504K Hexagonal Head Self Drilling Screws. Customized Sizes Available: Diameter and length can be customized to meet specific requirements. Wide Surface Finish Options: Available in Zinc Plated, Oxide Black, Nickel Plated, and Bronze Plated. High-Quality Material Source: Features high-quality stainless steel imported from Germany. Durable Self-Drilling Design: Firm and durable with preservative and rust-resisting properties. Fast Delivery Guarantee: 5-10 days for stock items; 2-4 weeks for custom orders with own annealing lines. Free Sample Availability: Samples offered free of charge; customer pays freight cost. OEM and ODM Services: Customized design, ODM, and OEM services are welcomed. Strict Quality Inspection: 100% inspection including visual and function checks before shipment.