S-90263A245 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Precise component alignment enabled by the 25mm shoulder with tight diameter tolerance (-0.025 to 0 mm)
• High mechanical strength with 70,000 psi tensile strength and Rockwell B79 hardness for demanding applications
• Secure hex drive engagement using standard 2.5mm hex key for reliable installation and removal
• Consistent thread performance with Class 6g metric thread fit ensuring proper mating with nuts and threaded holes
• Reduced assembly time through right-hand coarse threading (M4 x 0.7mm) for faster installation
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global industrial use

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional value in applications requiring accurate component positioning and rotational control. The 316 stainless steel material combined with passivated finish provides outstanding resistance to chemicals, saltwater, and industrial atmospheres, solving corrosion-related failure points in machinery, marine equipment, and chemical processing systems. The 25mm shoulder length with precise diameter control serves as an accurate locating datum for gears, bearings, and linkages, eliminating the need for additional bushings or spacers. The socket head design with hex drive allows for compact installation in confined spaces while maintaining high torque capability. These metric shoulder screws are engineered to maintain dimensional stability under load, making them ideal for precision assemblies in automation, manufacturing equipment, and motion control systems where reliability and repeatability are critical.

Specification Summary & Compliance

This M4 x 0.7mm shoulder screw features Class 6g thread fit per metric standards, ensuring proper engagement with mating components. The shoulder maintains precise diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm for accurate positioning. Manufactured from 316 stainless steel with passivated finish for enhanced corrosion protection. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial applications.