S-92981A635 M16 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Made from high-strength alloy steel with a Rockwell C32 hardness and 140,000 psi tensile strength, ensuring long-lasting performance in demanding industrial environments.
• Corrosion Resistance: Black oxide finish provides a protective layer that reduces rust and wear, extending the screw's service life.
• Precise Shoulder Alignment: Features a 20mm diameter shoulder with tight tolerance control, enabling accurate positioning and reduced assembly play in machinery.
• Easy Installation and Removal: Hex socket head with a 10mm drive allows for straightforward torque application using standard tools, speeding up maintenance and assembly.
• Reliable Thread Performance: M16x2mm coarse right-hand threads with Class 4g6g fit ensure secure fastening and resistance to loosening under vibration.
• Versatile Industrial Use: Designed to meet ISO 7379 standards, making it suitable for precision applications in automation, automotive, and heavy equipment.
• Environmental Compliance: RoHS 3 and REACH compliant, ensuring safe use in regulated industries without hazardous substances.

Professional Applications & Engineering Value

This M16 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in high-stress assemblies. The alloy steel construction, combined with a black oxide finish, offers superior resistance to corrosion and mechanical stress, making it ideal for applications in machinery, automotive systems, and precision equipment. The coarse thread design with a 2mm pitch ensures quick assembly and reliable holding power, while the precisely machined shoulder (20mm diameter, 55mm length) provides stable support for rotating parts like bearings or pulleys. By adhering to ISO 7379 standards, this screw guarantees dimensional accuracy and interoperability, reducing downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This shoulder screw features a Class 4g6g thread fit for consistent engagement, with shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm to ensure precise assembly. It complies with ISO 7379 for dimensional standards and is certified under RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) for environmental safety, supporting use in regulated sectors without health risks.