Apex 81278 Drive Adapter 3/8 Inch F X 1/2 Inch M

Product Description

The APEX 81278 is a drive adapter designed to connect a 3/8 inch female drive to a 1/2 inch male drive, allowing technicians to use 1/2 inch drive sockets with a 3/8 inch drive ratchet or vice versa. At 1.44 inches in length and 0.11 pounds, this compact adapter fits easily in a tool tray or socket rail. It is built for everyday use in automotive, mechanical, and general trade service environments where mixed drive sizes are common on the same job.

This adapter is suited for automotive technicians, fleet mechanics, and general service professionals who work with both 3/8 inch and 1/2 inch drive tools. It allows a single ratchet to access sockets across two drive sizes without swapping tools, reducing downtime during repairs. The compact form factor makes it practical for use in tight engine bays or confined service areas where a bulkier setup would be an obstacle.

Key Features

• Converts 3/8 inch female drive to 1/2 inch male drive
• Compact length of 1.44 inches for use in confined spaces
• Lightweight at 0.11 pounds
• Sold individually as a single unit

Compatibility

Designed as a standard drive adapter compatible with 3/8 inch drive ratchets and extensions paired with 1/2 inch drive sockets.

Installation Notes

Drive adapters are installed by hand with no tools required. Ensure the adapter is fully seated in both the ratchet and socket before applying torque. Inspect the adapter for wear or deformation before each use, particularly under high-torque applications. Do not use drive adapters with impact wrenches unless the adapter is rated for impact use.

Technical Specifications

• Drive Size (Female): 3/8 inch
• Drive Size (Male): 1/2 inch
• Length: 1.44 inches
• Weight: 0.11 pounds
• UPC: 099575812781
• Sold As: Each

Standard Information

• Brand: APEX
• Manufacturer Part Number: 81278