S-90265A252 M5 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
• Precise component alignment ensured by the 8mm shoulder diameter with tight tolerance, reducing wear and misalignment in assemblies.
• High-strength performance offering 70,000 psi tensile strength and 45,000 psi minimum shear strength for demanding mechanical applications.
• Enhanced installation grip from the knurled socket head and 4mm hex drive, preventing tool slippage and ensuring secure fastening.
• Reliable thread engagement with Class 5g6g fit and coarse M5x0.8 thread, providing quick assembly and vibration resistance.
• Durable material hardness at Rockwell B83, maintaining structural integrity under repeated loads and stresses.
• Global compliance assurance meeting ISO 7379 standards, RoHS 3, and REACH regulations for safe, quality-driven industrial use.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 Stainless Steel material provides excellent corrosion resistance, essential for machinery exposed to moisture or chemicals. The precision 8mm shoulder diameter with minimal tolerance ensures accurate positioning of components like gears, pulleys, and linkages, reducing eccentric wear and maintenance downtime. Combined with a knurled socket head and 4mm hex drive, it offers superior torque transmission and slip resistance during installation. The coarse metric thread (M5x0.8) and Class 5g6g fit enable rapid, secure fastening in high-vibration environments, making it ideal for automation systems, conveyor assemblies, and precision equipment where reliability and compliance with ISO 7379 are paramount.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. The thread fit conforms to Class 5g6g per metric standards, and manufacturing adheres to ISO 7379 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global industrial markets.