S-97345A152 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• High mechanical strength and reliability offering 70,000 psi tensile and 35,000 psi shear strength for demanding applications.
• Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure, vibration-resistant fastening.
• Easy installation and removal via a 5/64" hex drive and knurled head for improved grip and torque application.
• Accurate shoulder positioning with controlled diameter and length tolerances for consistent alignment in assemblies.
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.
• Durable performance under stress with a Rockwell B79 hardness, maintaining integrity in high-load scenarios.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation, and industrial equipment where corrosion resistance and mechanical stability are paramount. The UNC coarse threads with Class 3A fit provide reliable fastening in assemblies subject to vibration, reducing the risk of loosening. The knurled head and hex drive facilitate quick, secure installation in tight spaces, while the precisely machined shoulder ensures accurate component alignment, minimizing wear and misalignment. Ideal for use in marine, chemical processing, and high-temperature environments, this screw delivers long-term performance by resisting pitting and stress corrosion cracking, thereby lowering maintenance costs and enhancing operational efficiency.

Specification Summary & Compliance

This shoulder screw adheres to inch system measurements with a 2-56 UNC thread and Class 3A thread fit for high precision. Shoulder dimensions include a diameter of 3/32" (tolerance: -0.004" to -0.002") and length of 3/16" (tolerance: -0.005" to 0.005"), ensuring consistent assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial applications.