Milwaukee 3/8" Drive Metric FourFlat Hex Bit Socket, 9mm

Milwaukee 3/8" Drive Metric FourFlat Hex Bit Socket, 9mm

The 45-34-1055 Milwaukee 3/8" Drive Metric FOUR FLAT™ Hex Bit Socket is a high-strength, anti-roll socket designed for improved control and durability in demanding fastening applications. Built with Milwaukee’s FOUR FLAT™ sides, it won’t roll away when you set it down—because chasing sockets across the floor isn’t exactly productive. With a 9mm hex bit and impact-ready construction, it delivers reliable performance whether you’re using hand tools or power tools.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 45-34-1055
• Brand / Series: Milwaukee FOUR FLAT™
• Drive Size: 3/8" drive
• Hex Size: 9mm hex bit
• Product Type: Hex bit socket
• Design: FOUR FLAT™ sides prevent rolling on flat surfaces
• Construction: Built for strength and durability under high torque
• Compatibility: Suitable for use with ratchets and impact tools
• Retention: Designed for secure bit and socket engagement
• Application: Ideal for hex fasteners in mechanical and automotive work

Ideal For

• Automotive and mechanical applications requiring hex bit sockets
• Users needing anti-roll design for convenience on the jobsite
• Jobs involving high-torque fastening or loosening
• Anyone who’s ever set a socket down and watched it roll away like it had somewhere better to be