S-90278A211 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise alignment and reduced wear thanks to the 4mm shoulder with tight tolerances, providing stable positioning for rotating components.
• High tensile strength of 70,000 psi and Rockwell B55 hardness for dependable performance under heavy loads and repetitive use.
• Easy installation and removal with a standard hex socket head and 4mm drive, allowing for secure torque application in confined spaces.
• Reliable thread engagement through Class 6g thread fit and coarse M6x1mm right-hand threading, minimizing cross-threading risks.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Versatile industrial application due to metric sizing and smooth head texture, ideal for machinery, automotive, and assembly fixtures.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common challenges in precision assembly, such as misalignment and component slippage. Made from 18-8 stainless steel, it offers excellent resistance to rust and corrosion, making it suitable for demanding environments like automotive manufacturing and industrial machinery. The 4mm shoulder length with precise tolerances ensures accurate positioning of parts like bearings and gears, reducing vibration and wear. With a class 6g thread fit and coarse right-hand threading, it provides quick, secure fastening in high-stress applications. The socket head design with a hex drive allows for easy access in tight spaces, enhancing installation efficiency. Ideal for use in mechanical fasteners and rotating assemblies, this screw delivers consistent performance and durability, supported by its high tensile strength and hardness.

Specification Summary & Compliance

This shoulder screw features a metric M6x1mm coarse thread with Class 6g thread fit for standard compatibility. The shoulder diameter is 8mm with a tolerance of -0.025 to 0 mm, and the shoulder length is 4mm with a tolerance of 0 to 0.05 mm, ensuring precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.