S-91072A326 ASTM A108 Inch-to-Inch Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Inch-to-Inch Conversion: Enables reliable connection between 10-32 and 3/8"-16 threaded components, eliminating compatibility issues in mixed-assembly systems.
• Enhanced Durability & Corrosion Resistance: Black-oxide steel construction with Rockwell B65 hardness provides superior strength and resistance to rust in demanding industrial environments.
• Precision Thread Engagement: Class 2B thread fit on both ends ensures smooth, secure mating with male fasteners, reducing cross-threading risks and improving assembly speed.
• High-Torque Installation Capability: External 1/2" hex drive with 1" length offers ample grip for wrenches, allowing for tight, vibration-resistant connections under high load.
• Strict Quality & Compliance Assurance: Manufactured to ASTM A108 standards and compliant with REACH and RoHS 3, ensuring material safety and regulatory acceptance in global markets.
• Optimized for Industrial Workflows: Hex-shaped design facilitates easy handling and tool access, streamlining maintenance and reducing downtime in machinery and equipment.

Professional Applications & Engineering Value

This female hex thread adapter is engineered to solve critical challenges in industrial assembly where different thread sizes must interface reliably. The black-oxide steel material, hardened to Rockwell B65, delivers exceptional wear resistance and longevity, even under cyclic loading or exposure to oils and moisture. Its Class 2B thread fit on both the 10-32 and 3/8"-16 ends ensures consistent, precise alignment, minimizing the risk of thread damage during repeated installations. The external hex drive design allows for high-torque application using standard tools, making it ideal for heavy machinery, automotive systems, and construction equipment where vibration loosening is a concern. By providing a robust, compliant adapter that meets ASTM A108 specifications, it enhances assembly integrity and reduces the need for custom solutions, saving time and cost in B2B procurement.

Specification Summary & Compliance

This adapter features precision Class 2B thread fit on both ends (10-32 and 3/8"-16), with thread lengths of 5/16" and 3/8" respectively, ensuring dimensional accuracy per inch-system standards. It is manufactured in compliance with ASTM A108 for material consistency and performance. The product is REACH (EC 1907/2006) compliant (as of 01/17/2023, 233 SVHC) and RoHS 3 (2015/863/EU) compliant under exemption 6(a) for lead as an alloying element in steel, meeting international environmental and safety regulations.