S-90323A246 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Corrosion-resistant performance with 18-8 Stainless Steel construction and passivated finish for extended service life in harsh environments
• Precise component alignment through controlled 20mm shoulder length with tight tolerance for accurate positioning in assemblies
• Space-saving low profile design with smooth socket head requiring minimal clearance while providing reliable 4mm hex drive engagement
• High-strength reliability delivering 80,000 psi tensile strength and Rockwell B95 hardness for demanding mechanical applications
• Consistent thread engagement with Class 6g metric coarse threads ensuring reliable fastening in industrial equipment
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for use in regulated industries worldwide
• Optimized drive efficiency through hex socket design providing secure tool engagement and reduced stripping risk

Professional Applications & Engineering Value

This precision shoulder screw addresses critical alignment and space constraints in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel construction with passivated finish provides exceptional corrosion resistance, while the precisely machined 20mm shoulder ensures accurate component positioning without additional bushings or spacers. The low profile socket head design minimizes protrusion in compact assemblies, and the M6x1 coarse thread with Class 6g tolerance guarantees reliable fastening in vibration-prone environments. Engineering teams benefit from the combination of 80,000 psi tensile strength and controlled shoulder dimensions, eliminating misalignment issues in rotating mechanisms, bearing mounts, and precision guiding systems.

Specification Summary & Compliance

This shoulder screw features Class 6g thread fit per metric standards with precise shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm. Manufactured from 18-8 stainless steel with passivated surface treatment, the fastener delivers consistent mechanical properties including Rockwell B95 hardness and 80,000 psi tensile strength. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and regulatory acceptance for industrial applications worldwide.