S-90323A485 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish, ensuring long-term reliability in harsh environments.
• Precise alignment and smooth rotation due to the accurately machined 45mm shoulder with tight length tolerance (+0.05mm).
• High-strength performance offering 80,000 psi tensile strength and Rockwell B95 hardness for demanding mechanical applications.
• Secure and low-profile installation with a 4mm hex socket drive and low-profile head, minimizing protrusion and providing reliable torque transfer.
• Consistent thread engagement with Class 6g thread fit and M6x1mm coarse pitch, ensuring easy assembly and vibration resistance.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, making it safe for various industrial uses.
• Durable and wear-resistant construction that maintains dimensional stability under high stress and repeated use.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and oxidation, making it ideal for machinery exposed to moisture or chemicals. The 45mm shoulder length with precise tolerances ensures accurate positioning in assemblies, reducing wear and misalignment in applications like rotating shafts, pivots, and mechanical components. The hex socket head allows for compact installation in confined spaces, while the Class 6g thread ensures reliable fastening in high-vibration environments. Commonly used as alignment pins or in precision equipment, this fastener enhances operational efficiency and longevity.

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 45mm with a tolerance of 0 to +0.05 mm, ensuring high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for industrial use. Manufactured to deliver consistent performance, it meets general industry standards for precision shoulder screws.