Yigu Grade 10.9 High-Strength Oversized Black Hex Flange Screw with Anti-Slip Washer (M6-M12)

This high-strength hex flange screw is designed for demanding applications, offering exceptional durability with its Grade 10.9 classification. Featuring an oversized black finish, it combines both strength and aesthetic appeal. Available in sizes ranging from M6 to M12, this screw includes an anti-slip washer to ensure a secure fit and prevent loosening under vibration. Ideal for construction, automotive, and engineering projects, it provides reliable performance where stability and strength are paramount. Performance level: 10.9 Material: Carbon Steel Surface treatment: Black Product Grade: A-level Standard No.: GB5789 Manufacture country: China Instructions included: No