S-94361A584 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance - Black oxide finish on alloy steel provides superior protection against rust and wear in demanding industrial environments.
• Precise Alignment & Secure Fastening - Class 6g thread fit and controlled shoulder diameter tolerance (-0.072 to -0.01 mm) ensure accurate positioning and reliable assembly.
• High Tensile Strength for Demanding Applications - 140,000 psi tensile strength and Rockwell C32 hardness offer exceptional load-bearing capacity and resistance to deformation.
• Superior Grip & Easy Installation - Knurled socket head with 1.5 mm hex drive allows for secure tool engagement and efficient torque application without slippage.
• Versatile Shoulder Design for Component Spacing - 30 mm shoulder length with standard fit provides consistent spacing and acts as a pivot or axle in mechanical assemblies.
• Compliance with Environmental Standards - RoHS 3 and REACH compliant, ensuring safe use in regulated industries and global market acceptance.
• Coarse Thread for Quick Assembly - M2 x 0.4 mm coarse right-hand thread enables faster installation and reduced assembly time in production lines.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and electronic enclosures where exact component alignment and robust fastening are essential. The alloy steel construction with black oxide finish combats corrosion and extends service life in harsh conditions, while the knurled socket head and hex drive design prevent stripping during high-torque applications. Its precise shoulder diameter and Class 6g thread fit minimize play, reducing vibration-induced failures and ensuring consistent performance in assemblies requiring accurate axial positioning. Ideal for use in robotics, medical devices, and automotive components, this screw delivers reliable engineering value by enhancing assembly efficiency and long-term durability.

Specification Summary & Compliance

This shoulder screw features a metric thread with M2 x 0.4 mm coarse spacing and Class 6g thread fit per ISO standards, ensuring dimensional accuracy. Shoulder diameter tolerance is tightly controlled at -0.072 to -0.01 mm, with shoulder length tolerance of 0 to 0.25 mm for precise applications. Manufactured from alloy steel and finished with black oxide, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and adherence to international industrial standards.