S-91072A380 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
- Reliable Thread Conversion – Seamlessly adapts 4-40 to 6-32 threads with precision Class 2B fit, ensuring secure and vibration-resistant connections in inch-based assemblies.
- High Tensile Strength – Withstands up to 75,000 psi tensile loads, providing durable performance in demanding mechanical and industrial applications.
- Corrosion-Resistant Finish – Zinc-plated steel construction offers enhanced protection against rust and environmental wear, extending service life.
- Easy Installation & Removal – External hex drive with 3/16" hex size and 1" length allows for quick, tool-friendly tightening in confined spaces.
- Consistent Hardness – Rockwell B65 hardness ensures dimensional stability and resistance to deformation under repeated use.
- Industry Compliance – Meets ASTM A108 and ASTM B633 standards, guaranteeing material quality and manufacturing consistency.
- Environmental Safety – RoHS 3 (2015/863/EU) compliant with exemption, supporting sustainable and safe usage in regulated industries.
Professional Applications & Engineering Value
This female hex thread adapter addresses common challenges in precision assembly, where mismatched thread sizes can lead to downtime or connection failure. Crafted from zinc-plated steel, it provides excellent corrosion resistance and mechanical strength, ideal for electrical enclosures, machinery, and automotive systems requiring inch-to-inch thread adaptation. The Class 2B thread fit and external hex drive enable fast, reliable installations without cross-threading risks, while the robust Rockwell B65 hardness ensures long-term reliability in high-vibration environments. Engineers value its compliance with ASTM A108 specifications, offering peace of mind for critical industrial thread adapter applications.
Specification Summary & Compliance
This adapter maintains precise Class 2B thread fit for both 4-40 and 6-32 threads, with thread lengths of 1/4" and 3/8" respectively. It conforms to ASTM A108 and ASTM B633 manufacturing standards, ensuring dimensional accuracy and material integrity. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I for lead as an alloying element in steel, meeting environmental and safety regulations for industrial use.
