S-91084A107 ASTM A108 Inch-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Inch-to-Metric Conversion: Effortlessly connect 8-32 (inch) and M2.5 (metric) components, eliminating compatibility issues and reducing assembly time.
• Exceptional Durability & Corrosion Resistance: Crafted from Black-Oxide Steel, this adapter offers enhanced protection against rust and wear in demanding environments.
• High Tensile Strength for Demanding Loads: With a 78,000 psi tensile strength and Rockwell B85 hardness, it ensures reliable performance under high-stress conditions without stripping or failing.
• Precision Thread Fit for Secure Connections: Features Class 2B (inch) and Class 6H (metric) thread fits, guaranteeing tight, vibration-resistant, and leak-free assemblies.
• Easy Installation with Standard Tools: The 1/4" external hex drive allows for quick and secure installation using common wrenches, improving workflow efficiency.
• Compliance with Industry Standards: Manufactured to meet ASTM A108 specifications and RoHS 3 compliance, ensuring material quality and environmental safety for global use.
• Robust Hex Design for Torque Management: The 1 1/2" hex length provides superior grip and torque application, minimizing the risk of rounding during installation.

Professional Applications & Engineering Value

This 8-32 to M2.5 female hex thread adapter solves critical challenges in mixed-standard assemblies, such as in automotive, aerospace, and electronics manufacturing, where precise inch-to-metric conversion is essential. Its Black-Oxide Steel construction and Rockwell B85 hardness deliver superior resistance to corrosion and mechanical stress, preventing thread galling and failure in high-vibration environments. The Class 2B/6H thread fit ensures exact tolerances, reducing the risk of cross-threading and ensuring reliable, long-lasting connections. With an external hex drive for easy tool access, it streamlines maintenance and reduces downtime in industrial applications, making it an indispensable component for engineers seeking durability and precision.

Specification Summary & Compliance

This adapter maintains high dimensional accuracy with Class 2B (inch) and Class 6H (metric) thread fits, adhering to standardized tolerances for secure fastening. It is manufactured in compliance with ASTM A108 for material consistency and performance. The product is RoHS 3 (2015/863/EU) compliant under exemption 6(a)-I, ensuring it meets environmental regulations for lead content in steel alloys, suitable for use in regulated industries worldwide.