S-94361A574 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide finish, extending service life in harsh industrial environments.
• High tensile strength of 140,000 psi from alloy steel construction, ensuring reliable performance under heavy loads.
• Precise shoulder diameter tolerance (-0.072 to -0.01 mm) for accurate alignment and reduced assembly time in precision mechanisms.
• Rockwell C32 hardness provides excellent wear resistance, maintaining dimensional stability over repeated use.
• Knurled hex socket head offers secure grip and easy installation with standard 1.5 mm hex tools, minimizing slippage.
• Class 6g thread fit with coarse 0.4 mm pitch ensures smooth engagement and vibration resistance in dynamic applications.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and global market acceptance.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The alloy steel material, combined with a black oxide finish, resists corrosion and wear in demanding conditions like automotive components, electronics, and machinery. The precise shoulder diameter and Class 6g metric thread enable exact positioning in rotating parts, reducing backlash and improving operational accuracy. Its hex socket head with knurling ensures quick, tool-friendly installation, while the coarse thread pitch enhances resistance to loosening under vibration. Ideal for applications requiring reliable shoulder support and high tensile strength, this screw minimizes maintenance and downtime in industrial settings.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with a Class 6g thread fit for precise tolerance. Key dimensions include a 3 mm shoulder length (tolerance 0 to 0.25 mm) and M2x0.4 mm coarse thread. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring no hazardous substances. Manufactured to deliver consistent performance with a hardness of Rockwell C32 and tensile strength of 140,000 psi, it supports industrial reliability and regulatory requirements.