S-91072A334 ASTM A108 Inch-to-Inch Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Thread Conversion – Effortlessly adapt between 1/2"-13 and 3/4"-10 thread sizes, enabling quick compatibility across different industrial components without downtime.
• Superior Corrosion Resistance – Black-oxide steel finish provides enhanced protection against rust and wear, extending service life in harsh or humid environments.
• High Mechanical Strength – Rockwell B65 hardness ensures the adapter withstands high torque and repetitive loads, reducing the risk of stripping or deformation.
• Precision Thread Fit – Class 2B thread fit on both sides guarantees secure, vibration-resistant connections, minimizing loosening in dynamic applications.
• Easy Installation & Removal – 1" external hex drive with 2 1/4" length offers ample grip for standard wrenches, speeding up assembly and maintenance tasks.
• Regulatory Compliance Assurance – Meets REACH and RoHS 3 standards, ensuring safe use in regulated industries and global market accessibility.
• Rigorous Quality Standards – Manufactured to ASTM A108 specifications, delivering consistent dimensional accuracy and reliability for heavy-duty use.

Professional Applications & Engineering Value

This female hex thread adapter is engineered to solve common industrial challenges, such as mismatched thread sizes in machinery, piping, and structural assemblies. Constructed from black-oxide steel, it resists corrosion and abrasion, making it ideal for outdoor, automotive, or manufacturing settings where exposure to moisture and stress is frequent. The Class 2B thread fit ensures tight, leak-free connections, while the external hex drive allows for straightforward torque application with standard tools. By enabling quick adaptations between 1/2"-13 and 3/4"-10 threads, this adapter reduces inventory needs and downtime, supporting efficient maintenance and assembly workflows in sectors like construction, oil and gas, and heavy equipment.

Specification Summary & Compliance

This adapter features precise Class 2B thread fit on both ends, with threads sized at 1/2"-13 (A) and 3/4"-10 (B), ensuring interchangeability per inch-based standards. It complies with ASTM A108 for material and manufacturing consistency, and meets REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, including exemption 6(a) for lead as an alloying element in steel, confirming its suitability for environmentally conscious and safety-focused industrial applications.