SHOCKWAVE Impact Duty™ 3/8" Drive to 1/2" Drive Adaptor

Milwaukee SHOCKWAVE Impact Duty™ 3/8" Drive to 1/2" Drive Adaptor

The Milwaukee 49-66-6723 SHOCKWAVE Impact Duty™ Adapter is a heavy-duty solution for stepping up your drive size, letting you confidently run larger impact sockets without sacrificing performance. Built for high-torque applications, it features a ball detent for secure socket retention and a dual hole + groove design for quick, reliable attachment. Whether you're pushing your impact wrench a little harder or just need more versatility, this adapter keeps everything locked in and ready to work—no drama, no surprises.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-6723
• Brand: Milwaukee
• Product Type: Impact socket adapter
• Drive Conversion: 3/8" drive to 1/2" drive
• Compatibility: Optimized for use with impact wrenches and impact sockets
• Retention: Ball detent design for secure socket hold under torque
• Attachment Design: Dual hole and groove for easier, more stable connection
• Markings: Laser-etched size markings for quick identification
• Durability: Built for high-torque impact applications
• Standards: Meets ASME industry standards

Ideal For

• Stepping up drive size for larger impact sockets without changing tools
• High-torque jobs where secure socket retention is critical
• Automotive, mechanical, and industrial work using impact wrenches
• Anyone who wants fewer dropped sockets and smoother workflow (because chasing sockets across the shop isn’t a productivity booster)