S-92183A352 5/16"-18 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for high-load applications without failure.
• Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening in dynamic operations.
• Easy installation and removal with a 3/16" hex socket drive and knurled head for enhanced grip and torque application.
• Accurate shoulder dimensions with tight tolerances for consistent alignment and spacing in machinery and pivoting mechanisms.
• Coarse UNC threading enabling quick assembly and disassembly, ideal for maintenance-heavy or frequently adjusted setups.
• Compliance with RoHS 3 and REACH regulations ensuring environmental safety and suitability for global industrial markets.

Professional Applications & Engineering Value

These 18-8 Stainless Steel shoulder screws are engineered to address critical challenges in precision machinery, such as misalignment and component wear. The Class 3A thread fit and coarse UNC threading provide robust, vibration-resistant fastening, essential for rotating assemblies and pivoting joints in automation equipment. The knurled head and hex socket drive facilitate secure tool engagement, reducing slippage during high-torque installations. With a 70,000 psi tensile strength, they withstand heavy operational stresses in robotics, conveyor systems, and industrial molds, while the stainless steel material resists corrosion from coolants or outdoor exposure. This combination ensures reduced downtime and extended service life in demanding industrial fastening applications.

Specification Summary & Compliance

This shoulder screw features a 5/16"-18 UNC thread with Class 3A fit for precise thread engagement, adhering to standard inch system measurements. Shoulder dimensions include a diameter of 3/8" with tight tolerances (e.g., -0.004" to -0.002") and length options from 2" to 3.99" for accurate assembly. Manufactured from 18-8 Stainless Steel with Rockwell B55 hardness, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards for industrial use.