S-91273A394 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and resistance to mechanical failure in demanding applications.
• Precision Class 5g6g thread fit guarantees consistent engagement and secure fastening, reducing assembly errors and improving joint integrity.
• Knurled socket head with hex drive provides excellent grip and torque transmission, minimizing tool slippage during installation.
• Accurate 30mm shoulder length with tight tolerances allows for precise component alignment and rotational control in assemblies.
• Coarse M5 x 0.8mm thread enables quick installation and high resistance to vibration loosening in dynamic settings.
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards for restricted substances.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications such as machinery, automation systems, and precision instruments. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, maintaining performance in humid or chemically aggressive environments. The 30mm shoulder length with minimal tolerance variations provides a stable pivot or bearing surface, reducing wear on moving parts and ensuring accurate rotational movement. Combined with a coarse metric thread and Class 5g6g fit, it delivers secure fastening that withstands high vibration and dynamic loads, while the knurled socket head enhances torque application for reliable installation in confined spaces.

Specification Summary & Compliance

This precision shoulder screw adheres to metric thread standards with M5 x 0.8mm coarse spacing and Class 5g6g thread fit for consistent dimensional accuracy. The shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise assembly. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for global industrial use.