S-90278A543 M3 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
- Precise component alignment enabled by the accurately machined shoulder with tight diameter and length tolerances
- High strength-to-weight ratio delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Secure hex socket drive with 2mm hex key compatibility preventing cam-out and ensuring reliable installation
- Consistent thread performance through Class 6g thread fit and M3x0.5 coarse pitch for vibration resistance
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
- Optimized space utilization with compact 6mm head diameter and 3mm low-profile head design
Professional Applications & Engineering Value
These precision shoulder screws solve critical alignment challenges in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining structural integrity. The 7mm shoulder length with precise tolerances (-0.025 to 0mm diameter, 0 to 0.05mm length) ensures exact component positioning, eliminating misalignment issues in rotating assemblies and pivot points. The hex socket drive allows for secure installation in confined spaces, while the Class 6g thread fit guarantees consistent engagement in metric applications. This combination of features makes these M3 shoulder screws ideal for applications requiring repeatable precision and reliable performance under mechanical stress.
Specification Summary & Compliance
This M3x0.5 shoulder screw features Class 6g thread fit per metric standards with precise shoulder tolerances (diameter: -0.025 to 0mm, length: 0 to 0.05mm). Manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial applications.
