S-92183A242 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Superior thread engagement and reliability due to the Class 3A fit, ensuring precise assembly and reducing the risk of cross-threading.
• High mechanical strength for demanding applications, offering a tensile strength of 70,000 psi and a shear strength of 35,000 psi.
• Secure and easy installation with a knurled socket head and hex drive, providing excellent grip and torque transfer while minimizing tool slippage.
• Consistent dimensional accuracy with controlled shoulder diameter and length tolerances, guaranteeing reliable performance as a pivot, spacer, or axle.
• Compliance with major environmental regulations, being RoHS 3 and REACH compliant for use in regulated markets and sustainable manufacturing.
• Versatile coarse UNC thread for faster assembly and robust holding power in a wide range of materials.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for applications in machinery, automotive, and electronics where environmental factors are a concern. The Class 3A thread fit ensures tight tolerances and reliable fastening, reducing vibration-induced loosening and maintenance downtime. The knurled head texture and hex drive design allow for secure tool engagement, facilitating quick and precise installation even in confined spaces. Its 3/16" thread length and precisely machined shoulder act as a durable axle or spacer, providing consistent positioning and rotational support in linkages, gears, and rotating assemblies, thereby enhancing overall mechanical integrity and operational efficiency.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 3A thread fit for high-precision applications. Dimensional controls include a shoulder diameter tolerance of -0.004" to -0.002" and a shoulder length tolerance of -0.002" to 0.002". The screw is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B55, a tensile strength of 70,000 psi, and a minimum shear strength of 35,000 psi. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.