S-91072A382 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, extending service life in demanding industrial environments
- Exceptional mechanical strength with 75,000 psi tensile strength and Rockwell B65 hardness for reliable performance under high stress
- Precision thread conversion between 4-40 and 8-32 sizes with Class 2B fit ensuring secure, vibration-resistant connections
- Easy installation and removal with 1/4" external hex drive design requiring standard tools for efficient maintenance
- Industry-standard compliance meeting ASTM A108 material specifications for consistent quality and performance
- Environmental regulation adherence with RoHS 3 compliance for safe use in regulated industries
- Optimized thread engagement with 1/4" and 7/16" thread lengths providing sufficient contact for secure fastening
Professional Applications & Engineering Value
This female hex thread adapter solves critical connection challenges in industrial assembly where different thread sizes must interface reliably. The zinc-plated steel construction provides essential corrosion protection for equipment exposed to moisture or chemicals, while the Rockwell B65 hardness and 75,000 psi tensile strength ensure the adapter withstands vibration and mechanical stress without deformation. The precision Class 2B thread fit on both 4-40 and 8-32 ends eliminates cross-threading risks during installation, making it ideal for production lines where speed and reliability are paramount. Engineers specify this ASTM A108 compliant adapter for machinery, automotive, and electronic enclosures where thread conversion must maintain the integrity of the entire assembly.
Specification Summary & Compliance
This inch-system adapter features precision Class 2B thread fit on both 4-40 and 8-32 connections, manufactured to ASTM A108 and ASTM B633 specifications for material quality and plating consistency. The product maintains dimensional accuracy with 1/4" hex drive and appropriate thread lengths for secure engagement. Compliance with RoHS 3 (2015/863/EU) under exemption 6(a)-I ensures environmental regulation adherence while maintaining required mechanical properties with lead as an alloying element in steel.
