High-Strength DIN7991 Grade 12.9 Countersunk Hex Socket Head Cap Screws M3-M20

These high-strength countersunk hex socket head cap screws are engineered to meet the demanding needs of various industrial applications. Manufactured to DIN7991 specifications, these screws boast a Grade 12.9 classification, ensuring exceptional strength and durability. Available in sizes ranging from M3 to M20, they offer precise fitting and secure fastening with a sleek, flush finish that enhances both functionality and aesthetics in assembly processes. Ideal for use where high torque and resistance to stress are required, these screws provide reliable and robust performance for professional engineering and construction projects. Head shape: Countersunk Surface treatment: Black Material Grade: 12.9 Product Grade: A-level Standard No.: DIN 7991 Manufacture country: China Instructions included: No