S-93031A167 3/8"-24 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
• Reliable reverse-threading performance with left-hand UNF threads, preventing loosening in counter-rotational applications
• Space-saving thin profile (7/32" height) allows installation in tight clearance areas without compromising strength
• Precise thread engagement with Class 2B fine threads (24 TPI) ensuring vibration resistance and secure fastening
• Easy installation and removal using standard tools thanks to the external hex drive design
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Dimensional accuracy with consistent 9/16" width providing reliable wrenching surfaces

Professional Applications & Engineering Value

This 3/8"-24 UNF left hand thin hex nut provides critical engineering solutions where standard right-hand threads would loosen under reverse rotational forces. Manufactured from 316 Stainless Steel, it delivers exceptional corrosion resistance in marine, chemical processing, and food industry applications where moisture and aggressive chemicals are present. The fine thread spacing (24 TPI) offers superior vibration resistance compared to coarse threads, while the thin hex profile enables installation in space-constrained assemblies. The external hex drive ensures compatibility with standard wrenching tools, streamlining maintenance procedures. This combination of left-hand threading, premium material, and precision manufacturing makes it indispensable for rotating equipment, machinery guards, and specialized mechanical systems requiring counter-directional thread security.

Specification Summary & Compliance

This fastener features Class 2B thread fit per UNF standards, ensuring proper clearance and assembly compatibility. Dimensions include 3/8"-24 UNF left-hand fine threads, 9/16" width across flats, and 7/32" height. The nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated industries. Manufacturing follows inch system specifications for consistent performance in left-hand thread applications requiring precise mechanical fastening.