
Premium A4-80 Marine Grade Hex Bolt for Shipbuilding Projects. Premium Stainless Steel Grades: Made from 304, 316, A2, and A4 stainless steel for exceptional corrosion resistance. Custom Sizes and Shapes: Offers custom lengths, diameters, and head types to meet specific project requirements. ISO and ASTM Compliance: Manufacturing processes adhere to international quality standards for rigorous assurance. OEM and ODM Services: Supports custom manufacturing based on customer drawings, samples, or designs. Wide Material Selection: Available in Carbon Steel, Alloy Steel, Aluminum, Brass, and various Stainless Steel grades. Timely Delivery Guarantee: Efficient production and logistics ensure standard parts ship within 7-15 days. High Precision Manufacturing: Capable of strictly following drawing tolerances for high-precision complex parts. Comprehensive Product Range: Includes bolts, nuts, screws, washers, rivets, and special non-standard fasteners.