S-8077A713 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh industrial environments
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing applications
• Precise Class 3A thread fit ensures consistent engagement and vibration resistance in assembled components
• Enhanced grip and tool engagement from the knurled head texture and 3/32" hex drive for secure installation
• Durable Rockwell B79 hardness maintains structural integrity under repeated stress and wear
• Broad regulatory compliance with RoHS 3 and REACH standards for global market acceptance
• Accurate shoulder dimensions with tight tolerances for precise alignment in mounting and pivoting mechanisms

Professional Applications & Engineering Value

This 8-32 UNC thread shoulder screw in 316 Stainless Steel with a Black Oxide finish addresses critical engineering challenges in precision assemblies. The coarse thread spacing and Class 3A fit provide secure fastening in high-vibration settings, reducing loosening risks. Its corrosion-resistant material and finish protect against moisture and chemicals, extending service life in automotive, marine, and food processing equipment. The knurled head and socket drive facilitate easy installation in confined spaces, while the precisely machined shoulder ensures accurate component alignment, making it ideal for rotational mechanisms, bearing mounts, and linkage systems.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a 5/16" head diameter, 3/16" shoulder diameter with -0.004" to -0.002" tolerance, and 1-7/8" shoulder length with -0.005" to 0.005" tolerance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards are upheld for industrial use.