S-90265A140 M2 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-strength performance offering 70,000 psi tensile strength and Rockwell B83 hardness for reliable load-bearing in demanding applications.
• Precise alignment and positioning enabled by the 2mm diameter shoulder with controlled tolerances, reducing assembly errors.
• Secure, non-slip fastening from the knurled head and hex socket drive, ensuring firm grip during installation and maintenance.
• Consistent thread engagement with Class 5g6g metric coarse thread (M2 x 0.4mm), providing vibration resistance and easy assembly.
• Versatile shoulder design featuring a 50mm length for spacing components accurately in machinery and precision equipment.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for environments exposed to moisture or chemicals. The integrated shoulder with a precise 2mm diameter acts as a pivot or spacer, minimizing misalignment in assemblies like rotating shafts, bearings, and linkages. Combined with the hex socket head and coarse thread, it ensures quick, tool-friendly installation and high clamp load retention, reducing downtime in automated systems and precision equipment. This design is ideal for maintaining structural integrity under dynamic loads, supported by its high tensile and shear strength.

Specification Summary & Compliance

The screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm for precise fits. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for global industrial use.