S-90278A727 M2.5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Precise alignment and secure positioning ensured by the accurately machined shoulder with tight diameter and length tolerances
• High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications
• Easy installation and removal using a standard 2 mm hex key for efficient assembly and maintenance
• Consistent thread engagement with Class 6g thread fit and coarse pitch for quick assembly and vibration resistance
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Smooth head finish reduces friction and prevents damage to mating surfaces during tightening

Professional Applications & Engineering Value

This M2.5x0.45mm precision shoulder screw delivers exceptional engineering value in applications requiring exact component alignment and rotational stability. The 18-8 stainless steel material provides excellent corrosion resistance, making it ideal for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The precise shoulder fit with controlled diameter and length tolerances eliminates play between components, preventing misalignment in precision instruments and rotating mechanisms. With its Class 6g thread fit and coarse thread spacing, this socket head shoulder screw ensures rapid assembly while maintaining secure fastening under vibration. The combination of 70,000 psi tensile strength and Rockwell B55 hardness guarantees reliable performance in high-stress applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This metric shoulder screw features M2.5x0.45mm thread specifications with Class 6g thread fit per ISO standards, ensuring precise thread engagement. Shoulder dimensions maintain tight tolerances (diameter: -0.025 to 0 mm, length: 0 to 0.05 mm) for accurate component positioning. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications requiring restricted substance compliance.