AoZhan Grade 12.9 High-Strength Hex Bolt & Nut Set

These AoZhan Industrial high-strength carbon steel hex head half-thread bolts are engineered to Grade 12.9 performance standards. Each bolt, conforming to GB5782 national standards, is paired with a matching nut and features a blackened finish for enhanced durability and corrosion resistance, ideal for robust fastening applications.

Pitch: 1.25 Surface treatment: Black Performance level: 12.9 Material: Carbon Steel type: Two-component screw Implementation Standards: National Standard length: 0