SHOCKWAVE™ 1/4" Hex to 3/8" Square Socket Adapter
SHOCKWAVE™ 1/4" Hex to 3/8" Square Socket Adapter
48-32-5731
Product Description
The Milwaukee 48‑32‑5731 SHOCKWAVE 1/4" Hex to 3/8" Square Socket Adapter is a heavy-duty accessory designed to convert a 1/4-inch hex shank impact driver or drill into a 3/8-inch square drive socket tool. This allows standard 3/8" drive sockets to be used with impact drivers for fastening and mechanical work.
Part of Milwaukee’s SHOCKWAVE Impact Duty™ line, the adapter is built from proprietary heat-treated steel for enhanced durability and long life under high-torque impact applications. The rugged design is engineered to withstand frequent use on job sites, making it suitable for automotive, construction, and maintenance tasks.
Key Features
- Drive conversion: 1/4 in. hex → 3/8 in. square
- Allows 3/8" sockets to be used with impact drivers or drills
- SHOCKWAVE Impact Duty™ construction for heavy-duty use
- Proprietary steel with heat treatment for durability
- Built to handle high-torque impact fastening
- Compact 2-inch length for improved access in tight spaces
Typical Applications
- Automotive repair and maintenance
- Construction and mechanical fastening
- Using sockets with an impact driver
- General shop or jobsite tool versatility
Shank: 1/4 in. hex
Socket Drive: 3/8 in. square
Category: Impact socket adapter
✅ Short catalog description:
Milwaukee 48-32-5731 – SHOCKWAVE 1/4" Hex to 3/8" Square Socket Adapter made from heat-treated proprietary steel for high-torque impact driver applications.

$3.08