S-90269A933 M27 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments like marine or chemical processing.
• Precise alignment and smooth rotation enabled by the 50mm shoulder with a tight diameter tolerance of -0.072 to -0.01 mm.
• High-strength performance offering a tensile strength of 70,000 psi and a minimum shear strength of 35,000 psi for demanding applications.
• Secure, non-slip grip provided by the 45mm knurled socket head, ensuring easy installation and removal with a 14mm hex drive.
• Durable, wear-resistant surface from the Black Oxide finish, enhancing longevity and providing a sleek, professional appearance.
• Reliable thread engagement with a Class 5g6g thread fit and coarse M27x3mm metric thread, ensuring consistent fastening in industrial assemblies.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

This M27x3mm shoulder screw is engineered to address critical challenges in industrial settings, such as maintaining precise component alignment and resisting corrosive elements. Made from 316 Stainless Steel, it excels in applications like machinery assembly, automotive systems, and marine equipment, where exposure to moisture and chemicals is common. The Black Oxide finish adds an extra layer of protection against wear and oxidation, while the knurled socket head ensures a firm grip during torque application, reducing the risk of tool slippage. With a 50mm shoulder length and tight tolerances, it provides stable support for rotating parts, minimizing vibration and extending equipment lifespan. Ideal for heavy-duty industrial applications, this fastener combines durability with compliance to ISO 7379 standards, delivering reliable performance in precision engineering projects.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit with a coarse M27x3mm metric thread, ensuring dimensional accuracy per ISO standards. The shoulder diameter tolerance is -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, providing precise manufacturing control. It complies with ISO 7379 for specifications, RoHS 3 (2015/863/EU) for restricted substances, and REACH (EC 1907/2006) for chemical safety, making it suitable for global industrial use.