S-94035A197 5/16"-18 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, durable fastening.
• Precise alignment and smooth rotation enabled by the smooth shoulder with precise diameter and length tolerances.
• Easy installation and high torque capability with the hex socket head and 3/16" drive size.
• Wide compatibility and secure fastening with 5/16"-18 UNC coarse thread and Class 2A thread fit.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards for safe use.
• Cost-effective maintenance due to long-lasting material and finish, reducing replacement frequency.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address common industrial challenges such as misalignment and wear in rotating assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides excellent corrosion resistance, making it suitable for applications in machinery, automotive, and electronics where exposure to moisture or chemicals is a concern. The 3/4" shoulder length and precise shoulder diameter ensure accurate positioning and smooth bearing surfaces, reducing friction and extending component life. With a hex socket head and UNC coarse thread, it allows for easy installation in tight spaces and reliable performance in high-vibration environments, supporting efficient assembly and maintenance processes.

Specification Summary & Compliance

This shoulder screw features a Class 2A thread fit for consistent engagement and a shoulder diameter tolerance of -0.001" to 0" with length tolerance of 0" to 0.002" for precise applications. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it meets strict environmental and safety regulations for industrial use.