Grade 10.9 Black Countersunk Hex Socket Cap Screws: High-Strength M2, M3, M4, M5, M6, M8 Bolts

These high-strength black countersunk hex socket cap screws are designed for reliable performance in demanding applications. Available in sizes M2, M3, M4, M5, M6, and M8, they offer versatility for various projects. Their Grade 10.9 classification ensures exceptional durability and resistance to both wear and high-stress conditions. The countersunk head allows for a flush finish, providing a sleek look while ensuring stability. Ideal for construction, automotive, or engineering use, these bolts deliver superior fastening security. Head shape: Countersunk Surface treatment: Black Material Grade: 10.9 Standard No.: DIN7991 Manufacture country: China Instructions included: No