S-91073A101 ASTM A582 Inch-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Thread Conversion: Effortlessly connect 2-56 inch and M2.5 metric components, eliminating compatibility issues and reducing assembly time.
• Superior Corrosion Resistance: Crafted from 18-8 Stainless Steel, this adapter provides excellent durability in humid, chemical, and outdoor environments.
• High Mechanical Strength: With a 85,000 psi tensile strength and Rockwell B80 hardness, it withstands high loads and repetitive use without failure.
• Precision Thread Fit: Features Class 2B (inch) and Class 6H (metric) thread fits for secure, vibration-resistant connections that prevent loosening.
• Easy Installation & Removal: The external hex drive (3/16") allows for quick and firm tool engagement, simplifying maintenance and adjustments.
• Rigorous Quality Assurance: Manufactured to ASTM A582 specifications, ensuring consistent performance and dimensional accuracy.
• Environmental & Safety Compliance: Meets REACH and RoHS 3 standards, making it safe for use in regulated industries and global markets.

Professional Applications & Engineering Value

This female hex thread adapter is engineered to solve critical interoperability challenges in precision assemblies. By providing a reliable bridge between 2-56 inch and M2.5 metric threads, it eliminates the need for custom machined parts, reducing inventory costs and project lead times. The 18-8 Stainless Steel construction offers exceptional resistance to rust and oxidation, which is vital for applications in electronics, aerospace, and automotive sectors where environmental factors can compromise component integrity. The external hex drive design ensures that technicians can apply sufficient torque without damaging the adapter, making it ideal for confined spaces and high-vibration environments. Its robust build and precision thread forms guarantee a leak-proof and stable connection, enhancing the overall reliability of mechanical systems.

Specification Summary & Compliance

This adapter maintains high dimensional accuracy with Class 2B (inch) and Class 6H (metric) thread fits, ensuring precise engagement and alignment. It is manufactured in compliance with the ASTM A582 standard for stainless steel bars. The product is fully REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliant, confirming its adherence to stringent environmental and safety regulations for hazardous substance restrictions.