S-90278A344 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• Precise component alignment with a 12mm shoulder length and tight tolerances, minimizing assembly errors and improving machine performance.
• High strength and durability from Rockwell B55 hardness and 70,000 psi tensile strength, capable of withstanding heavy loads and repeated use.
• Secure and efficient installation using a 4mm hex socket drive, allowing for high torque application without slippage.
• Reliable thread engagement with Class 6g fit and M6x1mm coarse thread, ensuring consistent fastening in industrial applications.
• Environmental compliance meeting RoHS 3 and REACH standards, making it safe for use in regulated industries.
• Smooth head texture for a clean, professional finish that reduces friction and wear during operation.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. Made from 18-8 stainless steel, it offers excellent resistance to corrosion and oxidation, ideal for machinery exposed to moisture or chemicals. The 12mm shoulder length with precise fit tolerance ensures accurate positioning of components like gears, pulleys, and bearings, reducing vibration and wear. The hex socket head allows for easy installation in confined spaces, while the Class 6g thread fit and coarse thread design provide secure fastening even under dynamic loads. Commonly used in automation, automotive, and electronics assembly, this precision shoulder screw enhances operational efficiency and extends equipment lifespan by maintaining strict alignment standards.

Specification Summary & Compliance

This shoulder screw features a Class 6g thread fit per metric standards, with a shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm for high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. Manufactured to meet industrial specifications for metric shoulder screws, it guarantees reliable performance in demanding environments.