Milwaukee SHOCKWAVE Impact Duty™ 1/4" Drive Universal Joint

Milwaukee SHOCKWAVE Impact Duty™ 1/4" Drive Universal Joint

The Milwaukee 49-66-6721 SHOCKWAVE Impact Duty™ 1/4" Drive Universal Joint is a compact, heavy-duty swivel adapter built for tackling fasteners at tough angles, especially in tight or obstructed spaces. Designed with a 25° swivel range and pin-less construction, it delivers smooth flexibility without sacrificing strength. Made from forged impact steel and optimized for high-torque applications, this universal joint is ready to handle the pressure—because sometimes the only way to reach a bolt is from an angle you wish you didn’t have to use.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-6721
• Brand: Milwaukee
• Drive Size: 1/4" Drive
• Product Type: Impact universal joint / swivel adapter
• Material: Forged impact steel for high-torque durability
• Design: Pin-less construction for increased strength and longer life
• Flexibility: 25° swivel angle for improved access in tight or angled spaces
• Compatibility: Optimized for use with 1/4" drive impact wrenches and impact sockets
• Retention: Ball detent design for secure socket hold
• Attachment Design: Dual hole and groove for easier connection
• Markings: Laser-etched part number and size for quick identification
• Standards: Meets ASME industry standards

Ideal For

• Accessing fasteners in tight, obstructed, or angled locations
• Impact applications requiring flexibility without sacrificing strength
• Automotive and mechanical work where straight access isn’t possible
• Anyone who needs to reach around obstacles without losing torque (because not every bolt is placed with your convenience in mind)