Milwaukee 1/2" Drive 5/16"-8MM Hex Bit Impact Socket

Milwaukee 1/2" Drive 5/16"-8MM Hex Bit Impact Socket

The 49-66-5141 Milwaukee 1/2" Drive 5/16"–8MM Hex Bit Impact Socket is a compact, jobsite-tough socket built for utility work and high-torque applications, designed to hold up where lesser tools start waving the white flag. With a one-piece construction, deep 1-3/4" hex fastening depth, and an included Shockwave™ Lineman’s Impact Adapter, it’s ready to tackle everything from shear bolts to transformer connections. The compact profile helps you get into tight spots—because somehow, that’s always where the important bolt is hiding.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-5141
• Brand: Milwaukee
• Drive Size: 1/2" drive
• Hex Size: 5/16" – 8MM hex bit
• Design: One-piece construction for strength under high torque
• Fastening Depth: 1-3/4" hex depth for utility connectors and hex bolts
• Included Adapter: 7/16" to 1/2" Shockwave™ Lineman’s Impact Adapter
• Profile: Compact design for access in tight or confined spaces
• Retention System: Pin detent design for secure socket retention
• Compatibility: Use with hand tools or power tools
• Application Fit: Designed for shear bolt connectors and pad mount transformer connections
• Versatility: Works across a wide range of hex bit fastening applications

Ideal For

• Utility and lineman applications requiring reliable, high-torque performance
• Tackling shear bolts and transformer connections without tool failure
• Working in tight or restricted spaces where larger sockets won’t fit
• Professionals needing a durable, impact-rated socket for daily use