S-91072A330 ASTM A108 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 black-oxide steel coating for extended service life in demanding industrial environments
- Precise thread compatibility with Class 2B thread fit ensuring reliable connections between 5/16"-18 and 1/2"-13 components
- Enhanced torque transmission through 5/8" external hex drive design for secure installation and removal
- Consistent mechanical performance with Rockwell B65 hardness rating maintaining structural integrity under load
- Broad industrial compliance meeting ASTM A108 specifications for material quality and manufacturing standards
- Environmental regulation adherence with REACH and RoHS 3 compliance for global market acceptance
- Optimized adapter length featuring 1 1/4" hex profile for improved tool access and installation convenience
Professional Applications & Engineering Value
This female hex thread adapter provides critical engineering solutions for industrial systems requiring reliable inch-to-inch thread adaptation. The black-oxide steel construction with Rockwell B65 hardness offers exceptional durability against wear and environmental exposure, while the Class 2B thread fit ensures precise engagement between mismatched thread sizes (5/16"-18 to 1/2"-13). The external hex drive design facilitates secure tool engagement during installation, making it ideal for maintenance operations, equipment assembly, and fluid system connections where space constraints demand compact yet robust thread adapters. Its compliance with international standards ensures seamless integration into global supply chains for manufacturing, automotive, and heavy equipment applications.
Specification Summary & Compliance
This adapter maintains Class 2B thread fit tolerance for both thread sizes (5/16"-18 and 1/2"-13) as per unified thread standards. Manufactured to ASTM A108 specifications for material consistency and performance. Fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directive with exemption 6(a) for lead as an alloying element in steel. The inch-system measurement ensures compatibility with standard industrial components requiring precise thread adaptation.
