S-97713A142 M20 DIN 609 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Load Distribution: 85.5mm shoulder length with precise diameter provides stable bearing surface, reducing wear in dynamic applications.
• Superior Tensile Performance: 120,000 psi tensile strength ensures reliable fastening under high-stress industrial conditions.
• Precision Thread Engagement: Class 6g thread fit with M20x2.5 coarse pitch enables quick assembly and vibration resistance.
• Optimized Tool Engagement: 30mm external hex head design allows high-torque installation with standard tools.
• Enhanced Durability: Rockwell C20 steel construction maintains structural integrity in demanding environments.
• Regulatory Compliance Ready: Meets DIN 609 specifications while being RoHS 3 and REACH compliant for global applications.
• Minimal Tolerance Variation: Shoulder diameter tolerance of 0.002-0.015mm ensures consistent fit in precision assemblies.

Professional Applications & Engineering Value

This M20 shoulder screw delivers critical engineering solutions where precise alignment and rotational stability are paramount. The 21mm shoulder diameter with tight tolerances acts as a precision pivot point in machinery, eliminating the need for additional bushings in industrial automation equipment and conveyor systems. The steel construction with Rockwell C20 hardness provides optimal balance between machinability and wear resistance, while the coarse 2.5mm pitch thread ensures rapid assembly in high-volume production environments. The external hex drive accommodates standard tools for maintenance accessibility, making this DIN 609 compliant shoulder screw ideal for precision indexing applications, robotic arms, and rotating assemblies where dimensional stability under load is critical.

Specification Summary & Compliance

This metric shoulder screw features Class 6g thread tolerance per ISO standards with shoulder diameter tolerance of 0.002 to 0.015 mm and shoulder length tolerance of -1 to 0 mm. Manufactured to DIN 609 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The M20x2.5 coarse thread configuration ensures compatibility with standard metric components across industrial applications.