S-92981A220 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Alignment and Stability: The 35mm shoulder length with precise diameter tolerance ensures accurate component positioning, reducing wear and misalignment in assemblies.
• High Tensile and Shear Strength: Made from alloy steel with 140,000 psi tensile strength and 84,000 psi minimum shear strength, providing reliable performance under heavy loads.
• Enhanced Durability and Corrosion Resistance: Black oxide finish offers protection against rust and wear, extending service life in harsh industrial environments.
• Secure and Easy Installation: Hex socket drive with 4mm size and knurled head allows for firm grip and efficient tightening, minimizing slippage during assembly.
• Precision Thread Fit: Class 5g6g thread with M6x1 coarse pitch ensures smooth engagement and reliable fastening, reducing the risk of thread stripping.
• Consistent Hardness for Longevity: Rockwell C32 hardness maintains structural integrity, preventing deformation under stress and vibration.
• Broad Regulatory Compliance: Meets ISO 7379 standards and is RoHS 3 and REACH compliant, ensuring safety and environmental responsibility in global markets.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common industrial challenges such as component misalignment and vibration-induced loosening. The alloy steel construction and black oxide finish provide exceptional strength and corrosion resistance, making it ideal for machinery, automotive, and electronics applications where precise shoulder length and thread fit are critical. The hex socket drive and knurled head facilitate quick, secure installation, reducing assembly time and improving reliability in high-stress environments. By ensuring consistent performance and compliance with international standards, this screw enhances operational efficiency and reduces maintenance needs in industrial fasteners systems.

Specification Summary & Compliance

This shoulder screw features an M6x1 metric thread with Class 5g6g fit, ensuring precise tolerance and compatibility. The shoulder diameter is 8mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 35mm with a tolerance of 0 to 0.25 mm, providing accurate alignment. It conforms to ISO 7379 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety regulations for industrial use.