S-92944A144 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance in high-stress applications
• Precision alignment and smooth rotation thanks to the 1-1/2" shoulder with tight diameter tolerance (-0.004" to -0.002") ensuring consistent bearing surface
• Superior corrosion resistance provided by 18-8 stainless steel construction, maintaining integrity in harsh industrial environments
• Secure fastening with minimal play through Class 3A thread fit and UNC coarse threading for vibration resistance and precise assembly
• Easy installation and removal with 5/16" hex drive and standard 82° countersink angle for flush mounting in various applications
• Enhanced durability with Rockwell B55 hardness providing excellent wear resistance and long service life
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw delivers critical engineering solutions where precise alignment and rotational movement are paramount. The 1-1/2" shoulder length with tight tolerances provides an accurate bearing surface for gears, pulleys, and linkages, eliminating the need for additional bushings. Manufactured from 18-8 stainless steel, it resists corrosion in demanding environments while maintaining structural integrity. The Class 3A thread fit ensures secure fastening with minimal backlash, crucial for precision machinery and automation equipment. The flat head with hex drive and standard 82° countersink angle facilitates flush mounting in confined spaces, making it ideal for assembly lines, robotics, and industrial machinery where reliability and precision are non-negotiable.

Specification Summary & Compliance

This shoulder screw features 3/8"-16 UNC coarse threads with Class 3A thread fit for precision assembly, combined with a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". The component meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory adherence for industrial applications worldwide.