S-91998A111 Left-Hand to Right-Hand Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Bidirectional Connection Capability - Enables seamless adaptation between left-hand and right-hand threaded components without compromising directional integrity
• Enhanced Durability - Black-oxide steel construction with Rockwell B80 hardness provides superior corrosion resistance and long-term reliability in demanding environments
• Optimized Torque Transmission - External hex drive (7/16" size, 2" length) ensures secure tool engagement and prevents stripping during high-torque applications
• Precision Thread Compatibility - Class 2B thread fit on both ends guarantees consistent mating with standard 5/16"-24 threaded components
• Regulatory Compliance Assurance - REACH and RoHS 3 compliant design eliminates environmental concerns while meeting international industrial standards
• Versatile Installation - Balanced 1/2" thread length on both sides maintains structural stability while accommodating various connection depths
• Maintenance-Friendly Design - Hexagonal shape allows for easy access in confined spaces using standard wrench tools

Professional Applications & Engineering Value

This female-to-female hex thread adapter solves critical connection challenges in industrial assemblies where thread direction adaptation is required. The black-oxide steel construction provides essential corrosion protection for outdoor equipment, automotive systems, and manufacturing machinery exposed to harsh conditions. With Rockwell B80 hardness, the adapter maintains dimensional stability under vibrational stresses while the external hex drive (7/16" size, 2" length) ensures reliable torque application without slippage. Engineers benefit from the Class 2B thread fit precision that prevents cross-threading issues in high-volume production environments. The balanced 5/16"-24 thread specification on both ends creates uniform stress distribution, making it ideal for hydraulic systems, power transmission equipment, and precision instrumentation requiring bidirectional connectivity.

Specification Summary & Compliance

This adapter features precision Class 2B thread fit on both 5/16"-24 threaded ends with consistent 1/2" thread engagement length. Manufacturing complies with standard thread specifications for reliable interoperability. The product is fully REACH (EC 1907/2006) compliant regarding SVHC substances and RoHS 3 (2015/863/EU) compliant with exemption 6(a) for lead as an alloying element in steel, ensuring environmental regulatory adherence for industrial applications worldwide.