Jin'enchi 12.9 Grade Hex Socket Cap Head Partially Threaded Bolt

These high-strength Jin'enchi 12.9 grade hex socket cap head bolts are made from carbon steel with a blackened finish. Designed with a cylindrical head and partial threading, they conform to national standards and are ideal for heavy-duty fastening.

Material: Carbon Steel Implementation Standards: National Standard Nominal length: 130mm Nominal diameter: 12mm Performance level: 4.8 type: Hexagon socket Surface treatment: Black