S-98451A138 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 360 brass construction for extended service life in demanding environments
• Precise component alignment through controlled shoulder diameter and length tolerances for reliable assembly fit
• Enhanced torque transmission with 4mm hex socket drive preventing tool slippage and damage
• Optimized thread engagement with Class 6g metric coarse threads ensuring secure fastening in various materials
• Consistent mechanical performance with Rockwell B55 hardness and 40,000 psi tensile strength
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global market acceptance
• Smooth head profile reducing friction and preventing damage to mating surfaces

Professional Applications & Engineering Value

This precision shoulder screw addresses critical alignment challenges in industrial assemblies where component positioning accuracy is paramount. The 360 brass material provides excellent corrosion resistance while maintaining mechanical strength for applications in electrical components, precision instruments, and machinery requiring non-magnetic properties. The precise shoulder fit with controlled diameter and length tolerances ensures accurate axial positioning of gears, bearings, and rotating components. The M6x1mm coarse thread design facilitates quick assembly while the socket head hex drive enables high-torque installation in confined spaces. This combination makes it ideal for precision engineering applications where dimensional stability and corrosion resistance are critical for long-term performance.

Specification Summary & Compliance

This metric shoulder screw features Class 6g thread tolerance with precise shoulder dimensions (8mm diameter, 20mm length) maintaining tight tolerances for industrial applications. Manufactured to metric standards with right-hand coarse threads (M6x1mm), the screw ensures compatibility with standard metric components. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) compliant regarding SVHC substances, meeting international regulatory requirements for industrial use.