Apex 84885 Impact Extension 3/4 Drive 6 Inch Cr-mo

Product Description

The APEX 84885 is a 3/4 inch drive impact extension bar designed for heavy-duty fastening and removal work in demanding trade environments. Built from Chrome Molybdenum Alloy Steel (Cr-Mo), this 6 inch extension delivers the torsional strength needed to handle high-torque impact driver output without deforming or cracking. A pin hole accommodates a standard pin and O-ring retainer system, keeping sockets locked securely during operation. High-visibility laser etched markings allow for quick identification in a tool bag or on a crowded workbench. This extension is a direct-use tool for mechanics, industrial maintenance techs, and equipment service professionals working with 3/4 inch drive impact wrenches.

The 84885 is suited for automotive, fleet, heavy equipment, and industrial maintenance applications where a 3/4 inch drive impact wrench is the standard platform. The 6 inch length provides reach into recessed fastener locations without excessive extension flex. It is appropriate for both shop and field use anywhere high-torque impact work is performed on larger fasteners, structural bolts, or heavy machinery components.

Key Features

• Chrome Molybdenum Alloy Steel (Cr-Mo) construction for high torsional strength and long service life
• 3/4 inch drive square for use with standard 3/4 inch drive impact sockets and wrenches
• 6 inch working length for reaching recessed fasteners
• Pin hole design compatible with pin and O-ring retainer for secure socket retention under impact
• High-visibility laser etched markings for easy size identification

Compatibility

Designed for use with standard 3/4 inch drive impact sockets, adapters, and impact wrenches that accept a 3/4 inch square drive connection.

Installation Notes

This extension is installed and removed by hand between the impact wrench anvil and the drive socket. Always confirm the pin and O-ring retainer is seated before applying torque to prevent socket ejection. Inspect the extension for cracks or deformation before each use, and replace immediately if any damage is found. Use only with impact-rated sockets rated for 3/4 inch drive applications.

Technical Specifications

• Drive Size: 3/4 inches
• Length: 6 inches
• Material: Chrome Molybdenum Alloy Steel (Cr-Mo)
• Socket Retention: Pin hole for pin and O-ring retainer
• Markings: High-visibility laser etched

Standard Information

• Brand: APEX
• Manufacturer Part Number: 84885