Apex 84406 Impact Extension 3/8 in Drive 3 in

Product Description

The APEX 84406 is a 3/8 inch drive impact extension measuring 3 inches in length, built for professional use in high-torque fastening applications. Constructed from chrome molybdenum alloy steel, this extension delivers the strength and durability needed for impact tool use in demanding shop, fleet, and field environments. A manganese phosphate coating resists corrosion and extends service life. Licensed trades and mechanics reach for impact extensions like this when standard-length drives cannot access fasteners in tight or recessed locations.

This impact extension is suited for automotive, heavy equipment, and industrial fastening work where a 3/8 inch drive impact wrench or impact rattle gun is the primary tool. The 3 inch length provides added reach without sacrificing torque transfer. It is appropriate for both residential service and commercial shop environments. The extension is sold individually, making it a practical addition to an existing impact socket set or as a direct replacement for a lost or worn piece.

Key Features

• Chrome molybdenum alloy steel construction for high-torque impact resistance
• Manganese phosphate coating resists corrosion and wear
• 3/8 inch drive tang fits standard impact wrenches and ratchets
• 3 inch length provides reach into recessed fastener locations
• Off-corner loading design reduces fastener rounding during use
• Laser etched markings with secondary hard stamping for lasting size identification

Compatibility

Designed for use with 3/8 inch drive impact wrenches, air ratchets, and impact drivers in standard professional tool setups.

Installation Notes

Impact extensions should only be used with impact-rated tools and impact sockets — do not pair with standard chrome hand-tool sockets. Inspect the extension for cracks or deformation before each use. Ensure the drive connection is fully seated and the retaining mechanism is engaged before applying torque. Technicians should wear appropriate PPE including eye protection when operating impact tools.

Technical Specifications

• Drive Size: 3/8 inch
• Length: 3 inches
• Weight: 0.18 pounds
• Material: Chrome molybdenum alloy steel
• Coating: Manganese phosphate
• Sold As: Each

Standard Information

• Brand: APEX
• Manufacturer Part Number: 84406