S-90278A247 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid industrial environments.
• Precise component alignment enabled by the 40mm shoulder with tight length tolerance (±0.05mm) and smooth diameter.
• High mechanical strength and durability from 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Secure and reliable fastening with Class 6g coarse thread ensuring consistent engagement and vibration resistance.
• Easy installation and removal using a standard 4mm hex key, providing a flush, tamper-resistant socket head design.
• Compliance with environmental and safety standards, meeting RoHS 3 and REACH regulations for industrial use.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and stability challenges in machinery assembly, automation systems, and precision instruments. The M6x1mm coarse thread and 40mm shoulder length with minimal tolerances ensure exact positioning of moving parts, reducing wear and misalignment. Manufactured from 18-8 stainless steel, it offers excellent resistance to corrosion and oxidation, extending service life in demanding conditions. The hex socket head allows for compact, secure fastening in confined spaces, making it ideal for applications requiring high tensile strength and repeatable accuracy, such as in robotics, conveyor systems, and electronic enclosures.

Specification Summary & Compliance

This metric shoulder screw adheres to precise dimensional standards: Class 6g thread fit, shoulder diameter tolerance of -0.025 to 0 mm, and shoulder length tolerance of 0 to 0.05 mm. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications requiring safety and environmental compliance.