S-91072A404 ASTM A108 Inch-to-Inch Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Exceptional Durability: Crafted from Black-Oxide Steel with a Rockwell B65 hardness rating, offering superior resistance to wear, corrosion, and mechanical stress in demanding industrial environments.
• High Tensile Strength: With a 75,000 psi tensile strength, this adapter reliably handles high-load applications without failure, ensuring long-term operational safety.
• Precision Thread Fit: Features Class 2B thread fit on both ends, guaranteeing secure, vibration-resistant connections between 10-32 and 1/4"-20 thread sizes and minimizing the risk of loosening.
• Optimal Torque Transmission: The 1/2" external hex drive and 2 1/2" hex length provide excellent grip and leverage for easy installation and removal with standard tools, reducing assembly time.
• Broad Compatibility: Designed as a female-to-female adapter, it seamlessly connects different male-threaded components, offering versatile solutions for complex assembly setups.
• Regulatory Compliance: Meets ASTM A108 specifications and is RoHS 3 compliant (with exemption 6(a)-I), ensuring adherence to international quality and environmental standards for safe use.
• Corrosion-Resistant Finish: The black-oxide surface treatment enhances corrosion resistance, extending service life in humid or chemically exposed conditions.

Professional Applications & Engineering Value

This heavy-duty female hex thread adapter is engineered to solve critical challenges in industrial assembly and maintenance, where reliable thread conversion is essential. By utilizing Black-Oxide Steel and a robust external hex design, it addresses common issues like thread mismatch and torque inefficiency in machinery, automotive, and construction applications. The precise Class 2B thread fit ensures leak-proof and stable connections between 10-32 and 1/4"-20 thread sizes, reducing downtime from loose fittings. Its high tensile strength and hardness make it ideal for high-stress environments, providing engineers with a dependable solution that enhances system integrity and simplifies inventory by adapting diverse components seamlessly.

Specification Summary & Compliance

This adapter features inch system measurements with Class 2B thread fit on both ends, ensuring dimensional accuracy per industry standards. It complies with ASTM A108 for material consistency and 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. Thread sizes are 10-32 (1/2" length) and 1/4"-20 (5/8" length), with a 1/2" hex drive for reliable performance in torque applications.