S-90269A653 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
• Precise alignment and reduced wear thanks to the 8mm shoulder diameter with tight tolerance, ensuring stable component positioning.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable load-bearing applications.
• Easy installation and removal with a 4mm hex drive and knurled head texture, providing secure grip and torque application.
• Accurate thread engagement with Class 5g6g thread fit and M6x1mm coarse pitch, ensuring consistent fastening in metric assemblies.
• Enhanced durability and hardness rated at Rockwell B79, resisting deformation under stress for long-term use.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common industrial challenges such as misalignment, vibration loosening, and corrosion in precision machinery. The 316 stainless steel material, combined with a black oxide finish, provides exceptional resistance to chemicals and moisture, making it suitable for applications in marine, chemical processing, and outdoor equipment. The socket head design with hex drive allows for compact installation in tight spaces, while the shoulder diameter acts as a pivot or spacer, reducing wear on moving parts. By meeting ISO 7379 specifications, it ensures reliable performance in automated systems, robotics, and assembly jigs, where dimensional accuracy and corrosion resistance are critical for minimizing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw features precise dimensions including an 8mm shoulder diameter with tolerance of -0.072 to -0.01 mm and 4mm shoulder length with 0 to 0.25 mm tolerance. The thread fit adheres to Class 5g6g per metric thread standards, with M6x1mm coarse pitch for efficient fastening. It complies with ISO 7379 manufacturing specifications and is verified to be RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory conformity for global industrial use.