
Wing Bolt DIN316 Butterfly Wing Screw. Wide Material Selection: Available in Carbon Steel, Stainless Steel, Titanium, Aluminum, and Brass. Comprehensive Standards: Meets DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB standards. Extensive Steel Grades: Includes SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, and grades 4.8 to 12.9. Customized Production Process: Cold forging for M2-M30, hot forging for M30-M100, and CNC for custom fasteners. Diverse Finishing Options: Offers Black Phosphated, Grey Phosphated, Blue-white zinc, White zinc, and Dacromet. OEM/ODM Service: Provides OEM/ODM services with strict quality checks and fast shipping. Free Standard Samples: Free samples available for standard fasteners upon request. Flexible Lead Time: Customized lead time ranges from 30 to 60 days.