S-91082A131 ASTM A108, ASTM B633 Inch-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Thread Conversion: Effortlessly adapt between 6-32 inch and M5 metric threads, eliminating compatibility issues in mixed-standard assemblies.
• Exceptional Tensile Strength: Withstands up to 78,000 psi tensile strength, ensuring reliable performance under high-stress industrial conditions.
• Superior Corrosion Resistance: Zinc-plated steel construction provides durable protection against rust and environmental wear, extending service life.
• Precision Thread Fit: Features Class 2B (inch) and Class 6H (metric) thread fits for accurate, secure connections with minimal backlash.
• Robust Hardness & Durability: Rockwell B85 hardness offers excellent resistance to deformation and wear in repetitive use applications.
• Convenient External Hex Drive: The 3/8" external hex drive allows for easy installation and removal using standard tools, boosting assembly efficiency.
• Regulatory Compliance & Safety: Meets ASTM A108 and ASTM B633 standards and is RoHS 3 compliant, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This female hex thread adapter is engineered to solve critical challenges in environments where inch and metric thread systems coexist, such as in machinery imports, automotive manufacturing, and aerospace equipment. The zinc-plated steel material combined with high Rockwell B85 hardness ensures the adapter resists corrosion and mechanical stress, reducing downtime and maintenance costs. Its precise Class 2B and 6H thread fits guarantee leak-proof and vibration-resistant connections, essential for hydraulic systems, precision instruments, and assembly lines. By enabling quick and reliable thread conversion from 6-32 to M5, it streamlines inventory management and enhances operational flexibility, making it a valuable component for engineers and maintenance teams seeking durable, compliant fastening solutions.

Specification Summary & Compliance

This adapter provides precise dimensional accuracy with Class 2B (inch) and Class 6H (metric) thread fits, ensuring consistent performance. It is manufactured in compliance with ASTM A108 and ASTM B633 standards, confirming material and plating quality. 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.