China with ISO Certificate 3/4"-6" Price Black/Galvanized Masonry/Concrete/Cement/Steel/Hardened Nail for Grooved/Fluted/Smooth/Spiral/Bamboo Shank

China with ISO Certificate 3/4"-6" Price Black/Galvanized Masonry/Concrete/Cement/Steel/Hardened Nail for Grooved/Fluted/Smooth/Spiral/Bamboo Shank. High Carbon Steel Material: Made from 45#, 55#, 60# high carbon steel for superior hardness and durability. Strong Penetrability: Designed with excellent ability to pierce hard and brittle masonry materials. Multiple Shank Options: Available in smooth, fluted, twisted, and spiral shank types for various applications. Diverse Surface Treatments: Offers electro galvanized, hot dipped galvanized, polished, and black finishes. ISO Certified Quality: Manufactured under ANSI, DIN, GB, ISO, and JIS standards with strict quality control. OEM Service Available: Customization options provided for specific requirements and branding. Free Sample Provision: Samples are freely available for quality testing and market evaluation. Fast Delivery Time: Standard production and delivery completed within 10-25 working days.