S-90269A444 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel with black oxide finish, ideal for harsh industrial environments
• Precise component alignment with 3mm shoulder diameter and 8mm shoulder length for stable assembly positioning
• High mechanical strength delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Secure installation and removal with knurled socket head design and 2mm hex drive preventing tool slippage
• Consistent thread engagement through Class 5g6g metric thread fit ensuring reliable fastening performance
• Enhanced durability with Rockwell B79 hardness maintaining structural integrity under repeated use
• Regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This M2 shoulder screw delivers exceptional engineering value in precision assemblies where alignment stability and corrosion resistance are critical. The 316 stainless steel construction with black oxide finish provides superior protection against chemical exposure and moisture, making it ideal for medical equipment, marine components, and food processing machinery. The knurled socket head design ensures secure tool engagement during installation in confined spaces, while the precisely machined shoulder maintains accurate component positioning in rotating assemblies and bearing applications. With its Class 5g6g thread fit and coarse thread pitch, this metric shoulder screw offers reliable fastening in vibration-prone environments, reducing maintenance requirements and extending service life in industrial automation systems.

Specification Summary & Compliance

This precision shoulder screw features M2 x 0.4 mm metric coarse threads with Class 5g6g thread fit tolerance, ensuring consistent engagement across industrial applications. Critical dimensions include shoulder diameter of 3mm (-0.072 to -0.01 mm tolerance) and shoulder length of 8mm (0 to 0.25 mm tolerance) for precise component alignment. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental standards for industrial use while maintaining mechanical properties of 70,000 psi tensile strength and 35,000 psi minimum shear strength.