Milwaukee 3/8" Drive Hex Bit Socket, 5MM

Milwaukee 3/8" Drive Hex Bit Socket, 5MM

The Milwaukee 49-66-5155 3/8" Drive 5MM Hex Bit Socket is a rugged, jobsite-ready solution for tackling hex fasteners with confidence, whether you're using hand tools or putting it to work with power equipment. Built with a one-piece design to handle high torque, this socket delivers strength where it counts, while the deep 1-3/4" fastening depth makes it especially useful for utility connections and hard-to-reach bolts. Add in a compact profile and secure pin detent retention, and you’ve got a tool that works just as hard as you do—without slipping off at the worst possible moment.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-5155
• Brand: Milwaukee
• Drive Size: 3/8" Drive
• Bit Size: 5MM Hex
• Design: One-piece construction for maximum durability under torque
• Fastening Depth: 1-3/4" deep hex for extended reach
• Adapter Included: 7/16" to 1/2" Shockwave™ Lineman’s Impact Adapter
• Profile: Compact design for tight access areas
• Retention: Pin detent design for secure socket engagement
• Compatibility: Works with hand tools and power tools
• Applications: Fits shear bolt connectors, pad mount transformer connections, and standard hex fasteners
• Versatility: Suitable for a wide range of hex bit fastening applications

Ideal For

• Utility and electrical work involving shear bolts and transformer connections
• Jobs requiring deep-reach hex fastening without switching tools
• Tight spaces where a compact, durable socket makes all the difference
• Users who want a secure fit and fewer dropped sockets (gravity always seems to win otherwise)