S-90265A341 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs.
• Enhanced torque transmission and slip resistance from the knurled head and 6 mm hex socket drive, ensuring secure fastening.
• Precise component alignment and pivot points provided by the 12 mm shoulder diameter with tight tolerance control.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B83 hardness for demanding applications.
• Reliable and coarse thread engagement with M8x1.25 Class 5g6g threads, facilitating quick assembly and vibration resistance.
• Global compliance and safety meeting ISO 7379 standards, RoHS 3, and REACH regulations for unrestricted industrial use.
• Optimized for industrial machinery with a 20 mm shoulder length, supporting precise spacing and rotational movement.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and wear issues in industrial applications. The 18-8 stainless steel material offers excellent corrosion resistance, prolonging service life in moist or chemical-exposed environments. Its 12mm shoulder diameter and 20mm shoulder length provide a stable bearing surface, reducing friction and preventing component misalignment in assemblies like rotating shafts, linkages, and jigs. The hex socket drive and knurled head ensure high torque application without slippage, while the coarse pitch metric thread (M8x1.25) allows for rapid installation and secure holding in vibration-prone settings. Fully compliant with ISO 7379, it delivers consistent performance and interchangeability, making it a reliable choice for precision engineering and machinery maintenance.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 metric thread with a Class 5g6g thread fit for standard clearance and ease of assembly. The shoulder diameter is 12 mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 20 mm with a tolerance of 0 to 0.25 mm, ensuring precise dimensional accuracy. It is manufactured in accordance with ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial and electronic applications without hazardous substances.