S-91072A390 ASTM A108, ASTM B633 Inch-to-Inch Female Hex Thread Adapters
Inch-to-Inch Female Hex Thread Adapters
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Basic Information
Material & Strength Parameters
End A Thread Parameters
End B Thread Parameters
Hex Parameters
Drive Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
- Exceptional mechanical strength with 75,000 psi tensile strength and Rockwell B65 hardness for heavy-duty applications
- Precision thread engagement with Class 2B thread fit on both ends, guaranteeing secure connections and vibration resistance
- Easy installation and removal with 1/2" external hex drive and 2 1/2" hex length for maximum torque application
- Seamless inch-to-inch adaptation between 8-32 and 1/4"-20 thread sizes, eliminating compatibility issues
- Industry-standard compliance meeting ASTM A108 and ASTM B633 specifications for consistent quality
- Environmentally responsible manufacturing with RoHS 3 compliance for global regulatory acceptance
Professional Applications & Engineering Value
This female hex thread adapter solves critical connection challenges in industrial assembly systems where mismatched thread sizes create operational bottlenecks. Engineered from zinc-plated steel, it provides essential corrosion protection for machinery exposed to moisture, chemicals, or outdoor elements. The Rockwell B65 hardness and 75,000 psi tensile strength ensure reliable performance under high-stress conditions, preventing thread stripping or deformation. The external hex drive with extended 2 1/2" length accommodates standard wrenches for quick installation in confined spaces. Particularly valuable for maintenance teams and OEMs, this inch-to-inch adapter bridges the gap between 8-32 and 1/4"-20 threaded components in equipment manufacturing, automotive systems, and industrial machinery repairs.
Specification Summary & Compliance
This adapter maintains Class 2B thread fit tolerance on both 8-32 and 1/4"-20 ends, ensuring precision alignment and secure fastening. Manufactured according to ASTM A108 and ASTM B633 specifications for material quality and plating standards. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel, meeting international environmental requirements for industrial components.
