S-92981A815 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance: Black oxide finish provides superior protection against rust and wear, extending service life in demanding industrial environments.
• High Tensile and Shear Strength: Alloy steel construction with 140,000 psi tensile strength and 84,000 psi minimum shear strength ensures reliable performance under heavy loads and stress.
• Precision Fit and Stability: Class 5g6g thread fit and precisely toleranced shoulder diameter (10 mm, tolerance -0.072 to -0.01 mm) guarantee accurate alignment and reduced vibration in assemblies.
• Secure and Easy Installation: Knurled head with a 5 mm hex socket drive offers excellent grip and torque transmission, minimizing slippage during fastening.
• Broad Industrial Compliance: Meets ISO 7379 standards and is RoHS 3 and REACH compliant, ensuring safety and regulatory adherence for global applications.
• Optimized for Coarse Thread Applications: M8x1.25 mm coarse pitch right-hand thread facilitates quick assembly and disassembly, ideal for high-vibration settings.
• Consistent Hardness for Longevity: Rockwell C32 hardness provides a balance of toughness and resistance to deformation, maintaining integrity over repeated use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. Made from alloy steel with a black oxide finish, it combats corrosion and wear in harsh conditions, while the knurled hex socket head ensures secure handling and torque application. The class 5g6g thread fit and toleranced shoulder (10 mm diameter, 6 mm length) provide exact positioning, reducing misalignment and enhancing stability in pivots, bearings, and linkages. Ideal for applications requiring high shear strength and durability, such as robotics, conveyor systems, and automotive assemblies, it delivers reliable performance where precision and industrial compliance are paramount.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 mm coarse pitch metric thread with a class 5g6g thread fit for precise engagement, and shoulder dimensions including a diameter of 10 mm (tolerance: -0.072 to -0.01 mm) and length of 6 mm (tolerance: 0 to 0.25 mm). Manufactured to ISO 7379 specifications, it ensures consistent quality and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental standards for industrial use.