S-91072A325 ASTM A108 Inch-to-Inch Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Inch-to-Inch Conversion: Enables reliable connections between 10-24 and 3/8"-16 threaded components, eliminating compatibility issues in mixed-assembly systems.
• Superior Corrosion Resistance: Black-oxide steel finish provides enhanced protection against rust and wear, extending service life in harsh industrial environments.
• Optimized Mechanical Strength: Rockwell B65 hardness ensures high load-bearing capacity and resistance to deformation under stress.
• Precision Thread Engagement: Class 2B thread fit on both sides guarantees consistent, vibration-resistant connections without cross-threading risks.
• Easy Installation & Removal: External 1/2" hex drive allows for quick tool engagement, reducing assembly time and labor costs.
• Rigorous Quality Assurance: Manufactured to ASTM A108 standards, ensuring dimensional accuracy and material consistency for critical applications.
• Environmental & Regulatory Compliance: Meets REACH and RoHS 3 directives, supporting sustainable and safe usage in global supply chains.

Professional Applications & Engineering Value

This female hex thread adapter addresses common challenges in machinery assembly, maintenance, and retrofit projects where dissimilar thread sizes create operational bottlenecks. The Black-Oxide Steel construction, combined with Rockwell B65 hardness, offers exceptional durability against mechanical stress and environmental exposure, making it ideal for automotive, construction, and heavy equipment industries. Its Class 2B thread fit ensures precise alignment and leak-free performance in hydraulic systems, pneumatic controls, and structural frameworks. By integrating a standardized external hex drive and robust ASTM A108 compliance, this adapter simplifies inventory management while delivering consistent torque transmission and long-term reliability in high-vibration settings.

Specification Summary & Compliance

This adapter maintains Class 2B thread fit tolerances per ASME B1.1 standards, with threads sized at 10-24 (5/16" length) and 3/8"-16 (1/2" length). The external hex drive features a 1/2" size and 1" length for standard tool compatibility. Manufacturing adheres to ASTM A108 specifications for material integrity, and the product is verified as REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliant, including exemption 6(a) for lead as a steel alloying element.