Milwaukee Tool 49-16-1668 Socket Adapter 3/8 to 1/2

Product Description

The MILWAUKEE TOOL 49-16-1668 is a socket adapter designed to convert a 3/8 inch square drive tool to a 1/2 inch hex drive socket. At 1.5 inches overall length, this compact adapter bridges mismatched drive sizes without requiring a separate ratchet or impact tool. The steel construction with a gunmetal finish provides durability in trade environments where tools see daily abuse. Electricians, HVAC technicians, and plumbers use adapters like this to expand the range of sockets a single drive tool can accept, reducing the number of separate ratchets needed on the job.

This adapter is suited for residential and commercial service work where a 3/8 inch square drive ratchet or impact driver needs to accept a 1/2 inch hex drive socket. Typical install scenarios include panel work, pipe connection fastening, equipment mounting, and any fastening task that requires mixing drive sizes from an existing socket set. The short 1.5 inch body keeps the tool profile low in tight spaces.

Key Features

• Converts 3/8 inch square drive to 1/2 inch hex drive socket
• 1.5 inch overall length for low-profile use in confined spaces
• Steel construction with gunmetal finish for corrosion and wear resistance
• Compact single-piece adapter — no moving joints to fail
• Sold individually, compatible with standard socket sets

Compatibility

Designed as an OEM-style accessory for use with any 3/8 inch square drive ratchet, breaker bar, or impact tool accepting a 1/2 inch hex drive socket.

Installation Notes

Installation requires no special tools — seat the square drive end fully into the 3/8 inch drive tool before applying torque. Verify the hex socket is fully engaged on the 1/2 inch hex end before use. Inspect the adapter for cracks or deformation before each use, particularly when used with impact drivers. Follow applicable workplace safety guidelines when working near energized equipment or pressurized systems.