S-91084A132 ASTM A108 Inch-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Seamless Inch-to-Metric Conversion: Enables reliable connection between 1/4"-20 and M6 threaded components, eliminating compatibility issues in mixed-standard environments.
• Exceptional Durability: Crafted from Black-Oxide Steel with Rockwell B85 hardness, providing superior resistance to wear, corrosion, and mechanical stress in demanding applications.
• High Tensile Strength: Withstands up to 78,000 psi tensile strength, ensuring secure, long-lasting performance under high-load conditions without failure.
• Precision Thread Fit: Features Class 2B (inch) and Class 6H (metric) thread fits for accurate, vibration-resistant connections that minimize loosening.
• Easy Installation & Removal: External hex drive with a 1/2" size and 2 1/2" length offers ample torque application for quick, tool-friendly assembly and disassembly.
• Industry Compliance: Manufactured to ASTM A108 standards and RoHS 3 compliant, meeting rigorous quality and environmental regulations for safe industrial use.
• Versatile Design: Hex-shaped body ensures stable gripping and adaptability across various machinery, equipment, and fastener systems.

Professional Applications & Engineering Value

This female hex thread adapter solves critical challenges in industrial settings where inch-to-metric conversions are essential. Its Black-Oxide Steel construction and Rockwell B85 hardness deliver robust resistance to corrosion and abrasion, extending service life in harsh environments like manufacturing, automotive, and heavy machinery. The precise Class 2B/6H thread fit ensures tight, reliable seals that prevent leaks and vibration-induced failures, while the external hex drive design allows for efficient installation with standard tools. Ideal for adapting threaded components in equipment assembly, repair, and maintenance, this adapter reduces downtime by enabling seamless integration of diverse thread sizes, supporting operational continuity and cost savings.

Specification Summary & Compliance

This adapter maintains high dimensional accuracy with Class 2B (inch) and Class 6H (metric) thread fits, adhering to standardized tolerances for consistent performance. It conforms to ASTM A108 manufacturing specifications, ensuring material integrity and reliability. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I, aligning with environmental safety requirements for industrial use without compromising on lead alloying in steel for enhanced durability.