S-92981A120 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: With a tensile strength of 140,000 psi and Rockwell C32 hardness, this screw provides reliable performance in high-stress applications, reducing the risk of failure.
• Precision Shoulder for Accurate Alignment: The 35mm shoulder with controlled tolerances ensures precise component positioning, minimizing assembly errors and improving machine reliability.
• Corrosion-Resistant Black Oxide Finish: Offers enhanced protection against rust and wear, extending the screw's service life in demanding industrial environments.
• Secure Knurled Socket Head: The knurled texture on the socket head improves grip during installation, allowing for tighter fastening and reducing tool slippage.
• Standardized Metric Threads for Global Compatibility: M5x0.8 coarse threads with Class 5g6g fit ensure easy integration with metric components, streamlining international supply chains.
• Hex Drive for Efficient Installation: The 3mm hex drive enables quick and secure tightening with standard tools, saving time in assembly and maintenance.
• Compliant with Environmental Regulations: Meets RoHS 3 and REACH standards, ensuring safe use in regulated industries and supporting corporate sustainability goals.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address common challenges in precision machinery, such as misalignment and component wear. The alloy steel construction, combined with a black oxide finish, provides superior resistance to corrosion and mechanical stress, making it ideal for automotive assemblies, industrial robots, and electronic enclosures. The 35mm shoulder length acts as a precise pivot or spacer, ensuring accurate alignment of moving parts like gears and pulleys, which reduces vibration and extends equipment life. Its knurled socket head and hex drive facilitate secure installation in tight spaces, while the Class 5g6g thread fit guarantees consistent performance in high-tolerance applications. By integrating these features, this screw minimizes downtime and maintenance costs in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter of 6 mm with a tolerance of -0.072 to -0.01 mm and a shoulder length of 35 mm with a tolerance of 0 to 0.25 mm, ensuring high accuracy. The threads adhere to metric standards with M5x0.8 coarse spacing and a Class 5g6g fit for reliable engagement. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use.