S-97832A158 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under high-stress conditions.
• Precise component alignment facilitated by the 3/8" shoulder length with tight tolerances, reducing wear and simplifying assembly.
• Secure, high-torque installation enabled by the hex socket drive and knurled head, preventing tool slippage and ensuring a tight fit.
• Consistent and reliable threading with Class 3A fit and 10-24 UNC coarse thread, providing superior vibration resistance and fast assembly.
• Compliance with major industry standards including ASME B18.3, ensuring interchangeability and quality for engineering applications.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Shoulder Screw is engineered to address critical challenges in precision assembly and rotational motion systems. The 3/8" shoulder length acts as a precise axle or pivot point, maintaining accurate alignment between components like gears, pulleys, and linkages, which minimizes eccentric wear and extends machinery life. The 10-24 UNC coarse thread and Class 3A fit ensure a secure, vibration-resistant fastening in dynamic applications. Made from durable 18-8 Stainless Steel with a Rockwell B55 hardness, it resists corrosion and maintains integrity in demanding environments such as automotive, packaging machinery, and conveyor systems. The hex socket drive and knurled head provide excellent grip for high-torque installation, streamlining maintenance and reducing downtime in industrial settings.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC thread with a Class 3A fit for high precision. The shoulder diameter is 1/4" with a tolerance of -0.004" to -0.002", and the shoulder length is 3/8" with a tolerance of -0.005" to 0.005". It is manufactured in compliance with ASME B18.3 specifications and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to international quality and environmental standards.