S-91084A135 ASTM A108 Inch-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless inch-to-metric conversion enables effortless connection between 10-32 and M8 threaded components, eliminating compatibility issues in mixed-standard systems
• Exceptional durability with 78,000 psi tensile strength and Rockwell B85 hardness ensures reliable performance under heavy mechanical stress
• Precision thread engagement with Class 2B (inch) and Class 6H (metric) thread fits guarantees secure, vibration-resistant connections
• Corrosion-resistant black-oxide steel construction provides superior protection against rust and wear in demanding industrial environments
• Convenient 1/2" external hex drive allows for quick installation and removal using standard wrench tools
• Industry compliance assurance meets ASTM A108 specifications and RoHS 3 requirements for quality and environmental safety
• Robust 2-1/2" hex length offers enhanced grip surface for secure tool engagement during torque applications

Professional Applications & Engineering Value

This precision-engineered female hex thread adapter solves critical compatibility challenges in industrial systems where both inch (10-32) and metric (M8 x 1.25 mm) standards coexist. The black-oxide steel construction provides essential corrosion resistance for machinery, automotive, and manufacturing applications exposed to harsh operating conditions. With its external hex drive and substantial hex length, maintenance teams can achieve proper torque values without slippage, reducing installation time and preventing thread damage. The adapter's 78,000 psi tensile strength ensures reliable performance in high-vibration environments, making it ideal for power transmission systems, heavy equipment, and precision instrumentation where thread integrity is paramount for operational safety and reduced downtime.

Specification Summary & Compliance

This adapter maintains precision Class 2B thread fit for the 10-32 inch side and Class 6H thread fit for the M8 metric side, ensuring consistent dimensional accuracy across both thread systems. Manufactured to ASTM A108 standards for material quality and performance consistency. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I for lead as an alloying element in steel, meeting international environmental regulations while maintaining required mechanical properties.