S-92913A105 ASTM A108 Metric-to-Metric Female Hex Thread Adapters
Metric-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 metric thread conversion enables reliable connections between M4 and M2.5 components without compatibility issues
- Superior corrosion resistance from black-oxide steel surface treatment extends service life in harsh industrial environments
- High mechanical strength with 78,000 psi tensile strength and Rockwell B85 hardness withstands heavy-duty operational stresses
- Precision thread engagement with Class 6H thread fit ensures vibration-resistant, leak-proof connections
- Optimized torque transmission through 6mm external hex drive and 37mm hex length for secure installation
- Industry compliance assurance meeting ASTM A108 standards for consistent quality and performance
- Environmental regulation compliance with RoHS 3 (2015/863/EU) for safe use in regulated industries
Professional Applications & Engineering Value
This metric-to-metric female hex thread adapter solves critical connection challenges in precision assembly applications. The black-oxide steel construction provides essential corrosion protection for automotive, machinery, and electronic enclosures where environmental exposure is a concern. With Class 6H thread fit precision, it eliminates play and vibration-induced loosening in dynamic systems. The M4 to M2.5 thread adaptation capability allows engineers to bridge different component sizes without redesigning entire assemblies, saving time and reducing inventory complexity. The external hex drive design with substantial 37mm length ensures positive tool engagement for high-torque installations, making it ideal for maintenance operations and production lines where reliability is paramount.
Specification Summary & Compliance
This adapter maintains Class 6H thread tolerance on both M4 (0.7mm pitch) and M2.5 (0.45mm pitch) threads, ensuring precision fit across metric standards. Manufacturing follows ASTM A108 specifications for material consistency and 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 regulations for industrial components.
