S-92202A321 1/4"-20 x 1" Left-Hand Threaded 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength of 70,000 psi provides reliable, vibration-resistant fastening in demanding applications
• Precise Class 3A thread fit ensures tight tolerances and secure mating with left-hand threaded components
• Left-hand UNC coarse threading offers reliable anti-loosening performance in rotating machinery applications
• Full thread engagement along the entire 1" length maximizes holding power and load distribution
• Consistent hardness rating of Rockwell B70 guarantees dimensional stability and repeated use capability
• Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This left-hand thread socket head cap screw delivers critical engineering solutions where reverse-threading prevents unintended loosening in rotating equipment. The 18-8 stainless steel composition provides excellent corrosion resistance while maintaining 70,000 psi tensile strength for high-stress applications. The 1/4"-20 UNC coarse thread configuration with Class 3A fit ensures precise engagement in machinery, automotive, and manufacturing equipment where vibration resistance is paramount. The hex socket drive allows for high-torque installation in confined spaces, making these left-hand fasteners ideal for maintenance-critical applications requiring reliable, long-term performance.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 3A thread fit tolerance for superior mating accuracy. Features 1/4"-20 UNC left-hand coarse threads with full threading along the 1" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets and restricted substance requirements.