S-91688A240 3/8"-16 x 1" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• Enhanced grip and reduced component damage through permanent swivel tip technology with 9° maximum angle
• Exceptional hardness and wear resistance with Rockwell C54 rating for prolonged service life
• Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening in industrial applications
• Easy installation in confined spaces using 3/16" hex drive with headless design
• Reliable right-hand coarse threading providing strong holding power against vibration and rotation
• Compliance with international environmental standards including RoHS 3 and REACH for global manufacturing applications

Professional Applications & Engineering Value

This 3/8"-16 UNC hex headless set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and precise component positioning are critical. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining structural integrity in harsh operating environments. The permanent swivel tip technology, featuring a maximum 9° angle, distributes clamping force evenly across contact surfaces, preventing damage to expensive components and maintaining alignment integrity. With Class 2A thread fit and coarse UNC threading, this set screw ensures reliable fastening in machinery, automotive assemblies, and precision equipment where vibration resistance and repeated adjustments are common requirements. The headless design with 3/16" hex drive allows for installation in space-constrained applications while providing sufficient torque transmission for secure fastening.

Specification Summary & Compliance

This high-performance set screw features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and right-hand thread direction. Manufactured from 18-8 stainless steel with Rockwell C54 hardness rating, it delivers consistent performance across industrial applications. The product maintains dimensional accuracy per UNC standards with 1" length and 3/16" hex drive size. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures suitability for global manufacturing requirements and restricted substance control.