Apex 84173 Impact Extension 1/4 Inch Drive

Product Description

The APEX 84173 is a 1/4 inch drive impact extension designed for professional-grade fastening applications. Built from chrome molybdenum alloy steel, this extension delivers the torsional strength required for impact driver use in demanding trade environments. The manganese phosphate coating provides corrosion resistance, making it suitable for shop, field, and service bay use. At 4 inches in length and 0.2 pounds, it is a compact, lightweight addition to any impact socket set. Licensed electricians, automotive technicians, HVAC installers, and general mechanical tradespeople are the primary users of this type of extension.

This extension is suited for residential and commercial mechanical work where a 1/4 inch drive impact tool is in use. It extends reach in tight or recessed fastener locations without sacrificing torque transfer. The manganese phosphate surface finish reduces friction and resists rust during storage and repeated use. It is sold individually, making it a practical single-piece replacement or addition to an existing impact drive set.

Key Features

• Chrome molybdenum alloy steel construction for high-strength impact use
• Manganese phosphate coating for corrosion and wear resistance
• 1/4 inch drive tang for compatibility with standard 1/4 inch impact drivers and ratchets
• 4 inch length provides extended reach in recessed or tight fastener locations
• Lightweight at 0.2 pounds for reduced hand fatigue during extended use

Compatibility

Designed as an OEM-style replacement or addition for 1/4 inch drive impact socket sets used in mechanical, automotive, and HVAC service applications.

Installation Notes

This extension is installed and removed by hand onto any standard 1/4 inch square drive impact tool. Ensure the drive tool is powered off or the air supply is disconnected before attaching or removing the extension. Do not use impact extensions with non-impact rated sockets, as the torque loads can crack standard chrome sockets. Inspect the extension for cracks or deformation before each use.

Technical Specifications

• Drive Size: 1/4 inch
• Length: 4 inches
• Weight: 0.2 pounds
• Material: Chrome molybdenum alloy steel
• Finish: Manganese phosphate
• Sold As: Each
• UPC: 099575841736

Standard Information

• Brand: APEX
• Manufacturer Part Number: 84173