S-97345A476 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.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in assemblies requiring high accuracy.
• Enhanced grip and torque application from the knurled hex socket head, reducing tool slippage and improving installation efficiency.
• Robust Rockwell B79 hardness provides excellent wear resistance and durability for repeated use in demanding applications.
• Broad regulatory compliance with RoHS 3 and REACH standards, making it suitable for global markets and sensitive industries.
• Versatile coarse UNC thread design facilitates quick assembly and disassembly, reducing labor time and maintenance costs.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs. The UNC coarse thread and Class 3A fit provide reliable alignment and clamping force, minimizing vibration-induced loosening in high-speed operations. The knurled hex socket head ensures secure tool engagement, even in greasy or confined spaces, enhancing operator safety and efficiency. With its high tensile and shear strength, it supports heavy loads and rotational stresses in conveyor systems, robotic arms, and electronic enclosures. The corrosion-resistant 316 material makes it ideal for food processing, marine, and chemical industries, ensuring long-term reliability and reducing maintenance downtime.

Specification Summary & Compliance

This shoulder screw features an 8-32 UNC coarse thread with a precise Class 3A thread fit and standard shoulder dimensions (3/16" diameter and length). Manufacturing adheres to inch system tolerances, including shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.