S-97345A753 3/8"-16 ASME B18.3 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 tensile strength of 70,000 psi ensures reliable performance under heavy loads and reduces risk of mechanical failure
• Precision Class 3A thread fit provides consistent engagement and vibration resistance in critical assemblies
• Knurled socket head with 5/16" hex drive offers secure tool grip and prevents stripping during installation
• 0.875" shoulder diameter with tight tolerances maintains accurate alignment for rotating components and bearings
• Compliance with ASME B18.3 standards guarantees interchangeability and meets rigorous engineering specifications
• RoHS 3 and REACH compliant for environmentally responsible sourcing and global regulatory acceptance

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers exceptional value in precision machinery, automation systems, and bearing assemblies where alignment accuracy is critical. The UNC coarse thread with Class 3A fit ensures rapid installation and superior vibration resistance, reducing maintenance downtime in high-cycle applications. The knurled socket head provides positive tool engagement even in oily conditions, while the precisely machined shoulder maintains concentricity for rotating components. With outstanding corrosion resistance and 35,000 psi shear strength, this fastener performs reliably in chemical processing, marine environments, and food equipment where durability and compliance matter most.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread tolerance for precision fit. Shoulder diameter tolerance maintained at -0.004" to -0.002" with shoulder length tolerance of -0.005" to 0.005". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.