S-94035A401 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
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance
• Precise component alignment enabled by the accurately machined 3/8" shoulder with minimal diameter and length tolerances
• Easy installation and high torque capability with the hex socket drive design, reducing tool slippage and assembly time
• Wide compatibility with 5/16"-18 UNC coarse threads and Class 2A fit, ensuring secure fastening in various applications
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in global markets
• Optimized for automated assembly featuring smooth head texture and standard socket profile for consistent handling

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and rotational control challenges in machinery and equipment. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and wear, extending service life in demanding conditions such as manufacturing, automotive, and electronics assembly. The 3/8" shoulder diameter and precise shoulder fit prevent lateral movement, ensuring accurate positioning of components like gears, pulleys, and linkages. The hex socket head allows for high-torque installation in confined spaces, while the 5/16"-18 UNC coarse threads facilitate quick assembly and disassembly. Ideal for applications requiring reliable shoulder bolts with minimal play, this screw enhances operational efficiency and reduces maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit for consistent engagement and features a shoulder diameter tolerance of -0.001" to 0" and length tolerance of 0" to 0.002" for precise assembly. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance. Manufactured with UNC coarse threads and a right-hand thread direction, it meets industry standards for industrial screws with verified tensile strength and hardness properties.