S-90318A415 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh industrial environments
• Precise alignment and secure positioning thanks to the 3mm shoulder diameter with tight -0.03 to 0 mm tolerance for reliable component mounting
• High-strength fastening capability with 95,000 psi tensile strength and Rockwell B97 hardness to withstand demanding mechanical loads
• Space-saving installation through ultra-low socket head design that minimizes protrusion in compact assemblies
• Consistent thread engagement with Class 6g thread fit and coarse 0.4mm pitch for quick assembly and vibration resistance
• Secure drive system featuring hex socket drive that prevents cam-out and ensures reliable torque transmission
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use across global markets

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional engineering value in applications requiring exact component alignment and minimal head profile. The 18-8 stainless steel construction with passivated finish provides superior corrosion resistance for electronics, medical devices, and precision instruments exposed to moisture or chemicals. The ultra-low socket head design enables flush mounting in space-constrained assemblies while the precisely machined 3mm shoulder diameter with tight tolerances ensures accurate component positioning in rotating mechanisms, bearing mounts, and alignment fixtures. The Class 6g thread fit with coarse thread spacing maintains reliable engagement in vibrating environments, making these metric shoulder screws ideal for automation equipment, optical systems, and precision manufacturing applications where dimensional accuracy and durability are critical.

Specification Summary & Compliance

This M2 shoulder screw features precise dimensional specifications including 3mm shoulder diameter (-0.03 to 0 mm tolerance), 6mm shoulder length (0 to 0.06 mm tolerance), and Class 6g thread fit according to metric standards. The fastener maintains ISO-compliant tolerances throughout its construction and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring suitability for global industrial applications.