S-91082A116 ASTM A108, ASTM B633 Inch-to-Metric Female Hex Thread Adapters
Inch-to-Metric 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
- Seamless Thread Conversion: Enables reliable connection between 1/4"-20 inch and M3.5 metric systems, eliminating compatibility issues in mixed-standard environments
- Exceptional Tensile Strength: Withstands up to 78,000 psi loads, ensuring secure connections in demanding industrial applications
- Superior Corrosion Resistance: Zinc-plated steel construction provides durable protection against rust and environmental degradation
- Precision Thread Fit: Class 2B (inch) and Class 6H (metric) thread tolerances guarantee consistent, vibration-resistant connections
- Easy Installation & Removal: External 1/2" hex design allows for quick assembly using standard wrenches, reducing installation time
- Enhanced Durability: Rockwell B85 hardness maintains thread integrity through repeated use and high-stress conditions
- Compliance Assurance: Meets ASTM A108 and RoHS 3 standards, ensuring quality and environmental responsibility
Professional Applications & Engineering Value
This female hex thread adapter solves critical challenges in industrial environments where inch-to-metric conversion is required. The zinc-plated steel construction combined with ASTM A108 certification ensures reliable performance in machinery, automotive, and manufacturing applications where corrosion resistance and strength are paramount. The precise Class 2B/6H thread fit prevents loosening under vibration, while the external hex drive facilitates quick maintenance in tight spaces. Engineered for industrial thread adaptation, this component maintains system integrity when connecting equipment from different measurement standards, reducing downtime and replacement costs.
Specification Summary & Compliance
This adapter features precision Class 2B (inch) and Class 6H (metric) thread tolerances with 1/4"-20 to M3.5 thread conversion. Manufactured to ASTM A108 and ASTM B633 specifications, it delivers consistent dimensional accuracy. 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 standards for industrial components.
