S-90782A138 M12 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black oxide finish, extending service life in demanding industrial environments
• Superior strength and durability from alloy steel construction with Rockwell C32 hardness and 140,000 psi tensile strength
• Precise component alignment thanks to 16mm shoulder length with tight diameter tolerance (-0.072 to -0.01mm)
• Secure installation and removal with hex socket drive and knurled head for improved grip during torque application
• Reliable thread engagement with Class 6g metric coarse thread (M12x1.75) ensuring consistent fastening performance
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Versatile right-hand threading compatible with standard metric components across various applications

Professional Applications & Engineering Value

This M12 shoulder screw delivers exceptional engineering value in precision assembly applications where component alignment and rotational stability are critical. The alloy steel construction with black oxide finish provides superior protection against corrosion while maintaining the 140,000 psi tensile strength required for high-stress environments. The precisely machined 16mm shoulder length with tight diameter tolerances ensures accurate positioning of moving parts in machinery, jigs, and fixtures, eliminating the need for additional alignment components. The hex socket drive combined with the knurled head texture allows for secure tool engagement during installation in confined spaces, while the Class 6g thread fit guarantees consistent clamping force in automated assembly processes. These metric shoulder bolts are engineered to solve alignment challenges in robotics, conveyor systems, and precision manufacturing equipment where vibration resistance and dimensional accuracy are paramount.

Specification Summary & Compliance

This precision shoulder screw features M12x1.75 coarse thread with Class 6g thread fit per metric standards, ensuring dimensional accuracy and proper engagement. The shoulder diameter maintains tight tolerance of -0.072 to -0.01mm with shoulder length tolerance of 0 to 0.25mm for precise component alignment. Manufactured from alloy steel with Rockwell C32 hardness and 140,000 psi tensile strength, this fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for various industrial applications requiring compliance with international standards.