Wedge Undercut Anchor Concrete Wedge Expansion Anchor Bolts Fasteners. Customizable Dimensions: Lengths from 20mm to 300mm can be customized to meet specific project requirements. Multiple Material Options: Available in Carbon Steel (Q235, Q345) and Stainless Steel (SS304, SS316, SS201, SS401). Diverse Surface Finishes: Options include Zinc Plated, Galvanized, HDG, Yellow, White, and Blue Coating. Factory Direct Supply: We are a direct manufacturer with over 10 years of experience in fastener production. Strict Quality Control: Equipped with complete facilities and strict quality control for high-quality output. OEM/ODM Service: We accept customized products based on detailed drawings and specific requirements. Wide Application Scope: Suitable for Machinery, Chemical Industry, Environmental, and Building construction. Fast Delivery Time: Delivery within 30 days after payment is confirmed for standard orders.