S-94361A525 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black oxide finish protects against rust in demanding industrial environments, extending service life.
• High Tensile Strength for Demanding Loads: Alloy steel construction with 140,000 psi tensile strength ensures reliable performance under high stress.
• Precision Shoulder for Accurate Alignment: 20mm shoulder length with a tight +0.25mm tolerance provides stable location and alignment for rotating components.
• Secure Fastening with Coarse Threads: M5x0.8 coarse thread and Class 5g6g fit offer excellent grip and resistance to loosening in assemblies.
• Easy Installation with Hex Socket Drive: 3mm hex drive allows for high torque application and secure tightening in confined spaces.
• Consistent Hardness for Wear Resistance: Rockwell C32 hardness ensures the screw maintains its shape and thread integrity through repeated use.
• Compliance with Environmental Standards: RoHS 3 and REACH compliance ensures safety and regulatory adherence for global markets.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to solve critical alignment and durability challenges in precision assemblies. The 20mm shoulder length with minimal tolerance provides a precise pivot point or bearing surface, essential in machinery, automotive, and robotics where component misalignment can lead to premature wear or failure. Made from alloy steel and finished with a black oxide coating, it resists corrosion in humid or abrasive environments, reducing maintenance needs. The coarse metric thread (M5x0.8) and Class 5g6g fit ensure quick, secure fastening, while the socket head design allows for efficient installation in tight spaces, improving assembly speed and reliability in high-volume production settings.

Specification Summary & Compliance

This shoulder screw adheres to metric (M5x0.8) threading standards with a Class 5g6g thread fit for consistent engagement. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to +0.25 mm, ensuring precise dimensional control. It is manufactured to meet RoHS 3 (2015/863/EU) with exemption 6(a) and REACH (EC 1907/2006) compliance, confirming environmental safety for industrial use.