S-92981A813 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability and corrosion resistance thanks to the black oxide finish on alloy steel, extending service life in demanding environments
• Superior load-bearing capacity with a high 140,000 psi tensile strength and 84,000 psi minimum shear strength for reliable performance under stress
• Precision alignment and secure component location provided by the 18mm shoulder with controlled diameter and length tolerances
• Easy and secure installation with a 3mm hex socket drive and knurled head for improved grip and torque application
• Consistent and reliable thread engagement ensured by the Class 5g6g metric coarse thread (M5 x 0.8mm) for right-hand applications
• Enhanced material integrity from Rockwell C32 hardness, providing excellent wear resistance and reduced risk of stripping
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and responsible manufacturing

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and high-stress challenges in precision assemblies. The alloy steel construction, combined with a black oxide finish, provides superior corrosion resistance, making it ideal for industrial machinery, automotive components, and electronic enclosures exposed to harsh conditions. The 18mm shoulder length with precise tolerances ensures accurate positioning of moving parts, reducing wear and preventing misalignment. The Class 5g6g thread fit and coarse thread pitch facilitate quick assembly and disassembly, while the socket head with a 3mm hex drive allows for high-torque installation in confined spaces. This design minimizes downtime and maintenance costs, delivering long-term reliability for OEM and MRO applications.

Specification Summary & Compliance

This metric shoulder screw features an M5 x 0.8mm coarse right-hand thread with a Class 5g6g thread fit for standard ISO applications. The shoulder diameter is 6 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 18 mm with a tolerance of 0 to 0.25 mm, ensuring precise dimensional control. Manufactured from alloy steel with a Rockwell C32 hardness, it meets mechanical performance standards with a tensile strength of 140,000 psi and minimum shear strength of 84,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements.