S-94361A577 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance – Black oxide finish provides superior protection against rust and wear in demanding industrial environments
• High-Strength Alloy Steel Construction – Delivers exceptional 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance under heavy loads
• Precision Thread Fit – Class 6g thread tolerance ensures consistent, secure fastening with minimal vibration loosening in mechanical assemblies
• Secure Knurled Head Grip – Knurled texture on the socket head prevents tool slippage during installation and removal
• Accurate Shoulder Positioning – 3mm shoulder diameter with tight tolerance (-0.072 to -0.01 mm) enables precise component alignment and spacing
• Optimized Drive Efficiency – Hex socket drive (1.5mm) allows for high-torque application in confined spaces
• Regulatory Compliance Assurance – Meets RoHS 3 and REACH environmental standards for safe use in global markets

Professional Applications & Engineering Value

This M2 shoulder screw delivers critical engineering solutions where precision alignment and high strength are paramount. The alloy steel construction with black oxide finish combats corrosion in harsh operating conditions, while the Class 6g thread fit maintains clamping force in vibrating machinery. The 8mm shoulder length with controlled tolerance provides exact component spacing in assemblies like rotating shafts, bearings, and linkages. Its knurled socket head ensures reliable tool engagement during high-volume production. Ideal for precision instruments, automation equipment, and mechanical assemblies requiring repeatable positioning and long-term reliability.

Specification Summary & Compliance

This metric shoulder screw features M2 x 0.4mm coarse threads with Class 6g thread fit per ISO standards. Shoulder diameter tolerance is maintained at -0.072 to -0.01 mm with shoulder length tolerance of 0 to 0.25 mm. Manufactured from alloy steel with Rockwell C32 hardness and 140,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.