S-92912A107 ASTM A108, ASTM B633 Metric-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• High tensile strength of 78,000 psi ensures reliable performance under heavy loads, reducing the risk of failure in demanding applications.
• Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Rockwell B85 hardness offers superior wear resistance, maintaining thread integrity through repeated use and adjustments.
• Class 6H thread fit on both M5 and M3 ends guarantees precise, secure connections with minimal backlash for vibration-resistant assemblies.
• 50mm external hex length allows for high-torque installation using standard tools, improving installation efficiency and connection security.
• Dual metric thread adaptation seamlessly converts between M5 (0.8mm pitch) and M3 (0.5mm pitch) systems, eliminating compatibility issues in mixed-metric applications.
• RoHS 3 compliance ensures environmental responsibility while meeting global regulatory requirements for industrial components.

Professional Applications & Engineering Value

This M5 to M3 female hex thread adapter solves critical connection challenges in precision engineering applications where different metric thread sizes must interface reliably. The zinc-plated steel construction withstands corrosive environments common in manufacturing and automotive assemblies, while the Class 6H thread fit maintains dimensional accuracy for vibration-prone equipment. The external hex drive with generous 50mm length enables proper torque application during installation, preventing thread damage and ensuring leak-proof connections in hydraulic, pneumatic, and machinery systems. Engineered to ASTM A108 and ASTM B633 specifications, this adapter provides the dimensional stability and mechanical properties required for high-cycle industrial use, making it ideal for production lines, equipment maintenance, and precision instrument manufacturing where reliable metric thread adaptation is essential.

Specification Summary & Compliance

This metric-to-metric female hex thread adapter features precision Class 6H thread fit on both M5 (0.8mm pitch, 12.7mm length) and M3 (0.5mm pitch, 6.4mm length) connections with 10mm hex size and 50mm hex length. Manufactured according to ASTM A108 and ASTM B633 specifications, the component maintains dimensional accuracy and mechanical properties required for industrial applications. The adapter is RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I for lead as an alloying element in steel, meeting international environmental standards while delivering reliable performance in professional settings.