12.9 Grade Alloy Steel ISO 14579 Torx Socket Head Cap Screws | Knurled Full Thread Machine Screws M3-M10
Our 12.9 grade alloy steel machine screws comply fully with ISO 14579 standards, engineered for high-strength fastening applications across industrial, machinery, and automotive sectors. Featuring a knurled cup head design and full thread structure, these torx socket head cap screws deliver superior torque resistance and anti-slip performance during installation.
Key Specifications
Material: Premium alloy steel with 12.9 grade hardness, offering excellent tensile strength and wear resistance
Standard: ISO 14579 certified, ensuring compatibility with international assembly requirements
Drive Type: Torx socket head, preventing cam-out during high-torque tightening
Design: Knurled cup head for enhanced grip; full thread for uniform load distribution
Size Range: M3, M4, M5, M6, M8, M10 available, customizable lengths to meet specific project needs
Application Scenarios
Ideal for heavy-duty machinery assembly, electronic equipment fixing, automotive engine components, and industrial hardware installation. The 12.9 grade high strength makes it suitable for high-pressure and high-vibration working environments, widely trusted by manufacturers in the GCC, European, and North American markets.
Quality Assurance
Each batch of screws undergoes strict hardness testing, thread accuracy inspection, and corrosion resistance verification. We provide customized packaging solutions and bulk order discounts to support your production and procurement needs.
