S-92910A123 ASTM B211 Metric-to-Metric Female Hex Thread Adapters

Key Features & Benefits at a Glance

• Dual-pitch versatility enables seamless adaptation between M12 x 1.25mm and M12 x 1.75mm threaded components, reducing inventory needs for multiple adapters
• High-strength aluminum construction with 45,000 psi tensile strength provides reliable performance while maintaining lightweight advantages over steel alternatives
• Precision Class 6H thread fit ensures consistent, secure connections with minimal play in demanding industrial environments
• External hex drive design with 21mm hex size and 54mm length offers superior torque application and tool accessibility
• Rockwell B56 hardness rating delivers excellent wear resistance and durability through repeated installation cycles
• Full regulatory compliance with REACH and RoHS 3 standards ensures environmental responsibility and global market acceptance
• ASTM B211 certified aluminum guarantees material consistency and performance reliability for critical applications

Professional Applications & Engineering Value

This metric-to-metric female hex thread adapter solves critical connection challenges in industrial assembly and machinery maintenance. The aluminum construction provides an optimal balance of strength and weight savings, while the dual M12 threads with different pitches (1.25mm and 1.75mm) address common compatibility issues between equipment from different manufacturers. The Class 6H thread fit maintains precise tolerances that prevent cross-threading and ensure leak-proof connections in pneumatic, hydraulic, and mechanical systems. With its external hex drive and substantial 54mm length, technicians can apply sufficient torque without damaging the adapter, making it ideal for maintenance operations in tight spaces. The combination of Rockwell B56 hardness and 45,000 psi tensile strength ensures this adapter withstands vibration and mechanical stress in automotive, manufacturing, and equipment assembly applications.

Specification Summary & Compliance

This female hex thread adapter features precision Class 6H thread fit on both M12 x 1.25mm and M12 x 1.75mm ends, manufactured to ASTM B211 specifications for aluminum alloy bars. The adapter maintains dimensional accuracy with 21mm external hex drive and 54mm hex length. Compliance includes REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) with exemption 6(b)-II for lead as an alloying element in aluminum for machining purposes.