S-90278A336 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• Precise component alignment thanks to the 8mm shoulder with tight diameter and length tolerances, minimizing assembly play
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
• Secure, slip-resistant fastening enabled by the Class 6g thread fit and coarse 1mm pitch for quick, reliable installation
• Easy installation and removal with the 4mm hex socket drive, allowing high torque application in confined spaces
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Versatile metric sizing with M6 x 1mm right-hand thread compatible with standard industrial components

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment challenges in mechanical assemblies. The 18-8 stainless steel construction provides excellent corrosion resistance for applications in manufacturing equipment, automotive fixtures, and electronic enclosures where environmental factors threaten fastener integrity. The 8mm shoulder length with precise tolerances acts as a built-in locating dowel, eliminating the need for additional alignment components and reducing assembly time. The Class 6g thread fit ensures consistent engagement with mating parts while the socket head hex drive allows for high torque application in space-constrained environments. These features combine to create a shoulder bolt that delivers reliable performance in precision machinery, rotational assemblies, and positioning systems where exact component alignment is critical to operational efficiency.

Specification Summary & Compliance

This M6 shoulder screw features metric threading with Class 6g thread fit per ISO standards, ensuring precise engagement with mating components. The shoulder maintains tight dimensional control with diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm for exact positioning applications. Manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength, this fastener meets rigorous mechanical requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use across industrial sectors.