S-94361A582 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Strength – Made from high-grade alloy steel with Rockwell C32 hardness and 140,000 psi tensile strength, ensuring reliable performance under high-stress conditions.
• Superior Corrosion Resistance – Black oxide finish provides excellent protection against rust and wear, extending the screw's lifespan in harsh industrial environments.
• Precision Fit & Alignment – Class 6g thread fit and controlled shoulder diameter tolerance (-0.072 to -0.01 mm) guarantee accurate assembly and reduced vibration in machinery.
• Secure & Easy Installation – Hex socket head with knurled texture offers improved grip and torque application, minimizing slippage during fastening.
• Versatile Shoulder Design – 20mm shoulder length with standard fit provides stable shaft support for rotating parts like gears and pulleys.
• Wide Industrial Compliance – Meets RoHS 3 and REACH regulations, making it suitable for global supply chains and eco-conscious manufacturing.
• Optimized for Metric Systems – M2 x 0.4mm coarse thread with right-hand direction ensures compatibility with standard metric components and faster installation.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and load-bearing challenges in precision assemblies. The alloy steel construction, combined with a black oxide finish, resists corrosion and maintains integrity in demanding conditions such as automotive, electronics, and machinery. The hex socket head with knurling allows for secure driving, reducing the risk of tool damage and ensuring consistent torque. With a Class 6g thread and precise shoulder dimensions, it provides exact positioning for bushings, bearings, and linkages, minimizing play and enhancing operational stability. Ideal for applications requiring repeated adjustments, this screw delivers long-term reliability and reduces maintenance downtime.

Specification Summary & Compliance

The screw features an M2 x 0.4mm coarse pitch thread with Class 6g tolerance for precise fit, and shoulder diameter tolerance of -0.072 to -0.01 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence for industrial use.