S-92981A299 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability: Made from high-strength alloy steel with a black oxide finish, providing excellent corrosion resistance and extended service life in demanding environments.
• Superior Tensile & Shear Strength: With a tensile strength of 140,000 psi and minimum shear strength of 84,000 psi, ensuring reliable performance under high-stress industrial applications.
• Precision Thread Fit: Class 5g6g thread fit and M8x1.25 coarse pitch enable easy, secure assembly and consistent fastening in various materials.
• Secure Installation & Grip: Knurled socket head with a 5mm hex drive offers improved tool grip and prevents slipping during tightening, enhancing operator safety and efficiency.
• Accurate Shoulder Dimensions: Tight tolerances on shoulder diameter (10 mm) and length (10 mm) ensure precise alignment and smooth rotation in assemblies, reducing wear and misalignment.
• Industry Compliance: Fully compliant with ISO 7379 standards, RoHS 3, and REACH regulations, guaranteeing safety and environmental responsibility for global industrial use.
• Versatile Right-Hand Thread: Standard right-hand thread direction allows for straightforward installation and compatibility with common metric components.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges such as component misalignment and fastener failure. Crafted from alloy steel with a black oxide finish, it resists rust and wear in harsh conditions, making it ideal for machinery, automotive, and precision equipment. The knurled socket head and 5mm hex drive ensure secure, slip-resistant installation, while the coarse pitch thread (M8x1.25) facilitates quick assembly in soft or hard materials. With a Rockwell C32 hardness and high tensile strength, it provides reliable load-bearing capacity, reducing maintenance needs and downtime in industrial applications like pivots, bearings, and linkages.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 5g6g thread fit and shoulder diameter tolerance of -0.072 to -0.01 mm for accurate alignment. It meets ISO 7379 specifications for metric shoulder screws, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmental safety and is suitable for global industrial supply chains.