S-92981A314 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance with black oxide finish, providing reliable performance in demanding industrial environments.
• Superior Tensile and Shear Strength from alloy steel construction, ensuring a tensile strength of 140,000 psi and minimum shear strength of 84,000 psi for secure, long-lasting assemblies.
• Precise Thread Fit and Engagement with Class 5g6g thread fit, offering consistent and accurate fastening in metric applications.
• High Torque Application Capability through the hex socket head design, allowing for easy installation and removal with standard tools.
• Accurate Shoulder Alignment and Stability with a 100mm shoulder length and tight diameter tolerance, minimizing misalignment in precision machinery.
• Compliance with International Standards including ISO 7379, RoHS 3, and REACH, ensuring safety and environmental responsibility in global markets.
• Optimized for Coarse Thread Applications with M8x1.25 thread, providing quick assembly and reduced risk of cross-threading in high-vibration settings.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered from alloy steel with a black oxide finish to address common industrial challenges such as misalignment, corrosion, and mechanical stress. The precision shoulder with a diameter of 10 mm and length of 100 mm ensures exact positioning in assemblies, reducing wear and improving machine longevity. Its hex drive socket head allows for high-torque applications without stripping, while the coarse thread pitch of 1.25 mm facilitates rapid installation in automated production lines. Ideal for use in robotics, automotive, and heavy machinery, this screw provides reliable performance under high loads, supported by Rockwell C32 hardness and compliance with ISO 7379 standards, making it a trusted choice for engineers seeking durability and precision.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm, with a Class 5g6g thread fit per metric standards. It meets ISO 7379 specifications for dimensional accuracy and performance, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for environmentally conscious industrial applications.