S-91319A211 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Secure vibration-resistant locking with an integrated nylon pellet thread locker, maintaining hold from -50° to 250° F for reliable performance in fluctuating temperatures.
• Exceptional mechanical strength from alloy steel construction, offering 150,000 psi tensile strength and 84,000 psi shear strength to withstand high-stress applications.
• Precise alignment and spacing due to the 20mm shoulder length with tight tolerance, ensuring accurate component positioning and reduced wear.
• Corrosion-resistant and durable finish with black oxide coating, enhancing longevity and providing a professional appearance in harsh industrial environments.
• Easy installation and removal using a 4mm hex socket drive and knurled head, allowing for secure tool grip and efficient assembly.
• Accurate and reliable threading with M6x1mm coarse metric thread and Class 5g6g fit, ensuring consistent engagement and reducing cross-threading risks.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common industrial challenges such as misalignment, vibration loosening, and component wear. The alloy steel material, combined with a black oxide finish, provides superior corrosion resistance and durability, making it ideal for machinery, automotive assemblies, and precision equipment. The integrated nylon pellet thread locker ensures secure fastening in high-vibration environments, while the 20mm shoulder length with standard fit allows for exact pivoting and spacing in linkages, bearings, and rotating parts. Its hex socket drive and knurled head facilitate quick installation, reducing assembly time and improving operational efficiency in industrial applications.

Specification Summary & Compliance

The screw features precise dimensions, including a shoulder diameter tolerance of -0.049 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high accuracy. Threads adhere to Class 5g6g fit and metric coarse standards for reliable performance. It complies with ISO 7379 for dimensional consistency, RoHS 3 (2015/863/EU) for restricted hazardous substances, and REACH (EC 1907/2006) for chemical safety, meeting rigorous industrial and environmental regulations.