S-97345A147 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and vibration resistance.
• Easy installation and removal featuring a knurled socket head with a 3/32" hex drive for improved tool grip and torque application.
• Accurate shoulder positioning with a 1" shoulder length and tight diameter tolerance for precise component alignment.
• Compliance with environmental standards, being RoHS 3 and REACH compliant for safe use in regulated industries.
• Durable and wear-resistant with a Rockwell B79 hardness, maintaining integrity in repetitive assembly operations.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address common challenges in precision assembly, such as misalignment and component wear. The UNC coarse thread with Class 3A fit provides excellent thread engagement, reducing the risk of stripping in high-vibration applications like machinery, automotive systems, and electronic enclosures. The knurled socket head enhances grip during installation, minimizing slippage and improving efficiency. With a high tensile strength of 70,000 psi and superior corrosion resistance, it ensures long-term reliability in demanding environments, including marine, chemical processing, and outdoor equipment, where durability and compliance with RoHS and REACH standards are critical for industrial safety and performance.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A precision fit for tight tolerances. Key dimensions include an 8-32 thread size, 1" shoulder length with a tolerance of -0.005" to 0.005", and a shoulder diameter of 7/32" with a tolerance of -0.004" to -0.002". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and suitability for industrial applications requiring high strength and corrosion resistance.