S-97832A399 3/4"-10 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing replacement costs.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for high-load applications.
• Precise alignment and smooth rotation ensured by the 2 1/2" shoulder with controlled diameter and length tolerances.
• Reliable, vibration-resistant thread engagement provided by the 3/4"-10 UNC Class 3A coarse thread fit.
• Secure, non-slip installation and removal facilitated by the knurled socket head with a 1/2" hex drive.
• Consistent performance and durability backed by a Rockwell B55 hardness rating.
• Global compliance and environmental safety with adherence to RoHS 3 and REACH regulations.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to address critical challenges in industrial assembly, such as component misalignment and joint failure under stress. Its precision shoulder acts as a sturdy axle or pivot, maintaining exact part spacing in machinery, conveyor systems, and precision instruments. The UNC coarse thread and Class 3A fit provide rapid assembly and superior resistance to loosening in high-vibration environments. Made from corrosion-resistant stainless steel, it ensures long-term reliability in demanding applications, from food processing equipment to outdoor machinery, reducing maintenance frequency and downtime.

Specification Summary & Compliance

This shoulder screw features a 3/4"-10 UNC Class 3A thread with a coarse spacing, a shoulder diameter of 7/8" (tolerance: -0.004" to -0.002"), and a shoulder length of 2 1/2" (tolerance: -0.005" to 0.005"). It is manufactured to meet industry standards for dimensional accuracy and mechanical properties, including a tensile strength of 70,000 psi. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant.