Milwaukee Tool 49-66-6423 Impact Socket 3/4 in 48mm

Product Description

The MILWAUKEE TOOL 49-66-6423 is a 3/4 inch drive, 48mm, 6-point hex impact socket designed for high-torque fastening applications in the field or shop. Built from steel with a black phosphate finish, this standard-length socket resists corrosion and handles the rotational force delivered by 3/4 inch drive impact wrenches. It carries a non-sparking designation, making it suitable for use in environments where ignition risk is a concern. Electricians, pipefitters, millwrights, and heavy equipment technicians commonly reach for sockets in this size range when working on large fasteners, flanges, or structural connections.

This socket fits into heavy industrial and commercial service work where 48mm fasteners appear on large machinery, structural steel, heavy-duty HVAC equipment, and piping systems. Its 6-point geometry reduces the chance of rounding fastener heads compared to 12-point designs, especially important when working with corroded or heavily torqued hardware. The standard length profile fits most 3/4 inch drive impact wrenches and torque wrenches used by trade professionals on job sites and in service shops.

Key Features

• 3/4 inch drive size compatible with standard heavy-duty impact wrenches and torque wrenches
• 48mm 6-point hex socket geometry for reduced fastener rounding under high torque
• Steel construction with black phosphate finish for corrosion resistance
• Non-sparking designation suitable for use in ignition-sensitive environments
• Standard length profile for versatile fitment across common drive tools
• No insulation — not rated for live electrical work

Compatibility

Designed as an OEM-style impact socket for use with 3/4 inch drive impact wrenches, torque wrenches, and breaker bars in industrial, commercial, and heavy trade service applications.

Installation Notes

This socket is installed and used by licensed tradespeople and experienced mechanics working with 3/4 inch drive impact or torque equipment. Always verify the drive tool is powered down or the air supply is disconnected before changing sockets. This socket is not insulated and must not be used on or near energized electrical components. Inspect the socket for cracks or deformation before each use and replace if damage is found.