S-96126A157 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated finish.
• Exceptional strength and durability for demanding applications, with a high 70,000 psi tensile strength and Rockwell B79 hardness.
• Precise alignment and smooth rotation ensured by the accurately machined 3/16" shoulder with a tight diameter tolerance.
• Reliable and secure fastening provided by the 8-32 UNC coarse thread with a Class 2A fit for consistent performance.
• Easy installation and removal with the hex socket drive, allowing for high torque application in confined spaces.
• Compliance with major environmental regulations, being RoHS 3 and REACH compliant for use in regulated industries.
• Versatile 1-1/2" shoulder length offers ample spacing for components like gears, pulleys, and linkages.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to solve critical alignment and corrosion challenges in industrial applications. The precision shoulder with its controlled diameter and length tolerance acts as a sturdy axle or pivot, ensuring components like bearings and rotating parts maintain perfect alignment, reducing wear and preventing misalignment failures. The UNC coarse thread and Class 2A fit provide a strong, reliable grip that resists loosening under vibration, common in machinery and assembly lines. The combination of high tensile strength and the superior corrosion resistance of 316 stainless steel with a passivated finish makes it ideal for demanding environments, including marine, chemical processing, and food-grade equipment, where durability and material integrity are paramount. The socket head design facilitates installation in tight spaces, enhancing assembly efficiency.

Specification Summary & Compliance

This screw features a 3/16" shoulder diameter with a tolerance of -0.001" to 0" and a 1-1/2" shoulder length with a tolerance of 0" to 0.002" for a precise fit. The thread is 8-32 UNC with a Class 2A thread fit, ensuring dimensional accuracy and interchangeability. It is manufactured from 316 Stainless Steel with a passivated finish and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.