Ingersoll Rand 409 Air Die Grinder – 27,000 RPM, 0.5 HP, Inline

Overview

The Ingersoll Rand 409 Air Die Grinder combines a robust vane motor with an inline layout, delivering steady power and a clean line of sight for precise grinding and finishing. This setup helps keep the tool close at hand while you work, making it a practical addition to metalworking fleets and shop rigs.

Designed for comfort and control

Lightweight and ergonomically shaped, the 409 supports longer work sessions without excessive fatigue. The ergonomic grip fits naturally in the hand, allowing you to refine edges, deburr, or smooth contours with consistent control. An intelligent front exhaust directs air away from your workspace, helping to keep the immediate area clear as you operate.

Key benefits at a glance

• Comfort: This die grinder is lightweight and ergonomic, so you can work longer with less strain.
• Access: The compact design reaches tighter spaces with ease.
• Increased safety: The locking throttle resets when released, helping prevent accidental operation.

Power, speed, and versatility

The 0.5 HP vane motor provides reliable performance, with up to 27,000 RPM for efficient material removal on suitable surfaces. The inline configuration supports controlled handling, while the tool remains adaptable for deburring, edge finishing, and light shaping tasks.

Real-world use scenarios

Whether in automotive, fabrication, or general shop work, the 409 shines when you need precise control in tight spots. The air-driven design minimizes cords and keeps you mobile, while the airflow design helps maintain visibility as you work along curves and edges.

Care and performance

Maintain performance by ensuring a clean air supply and routine inspection of wear areas. With proper care, the 409 can serve as a dependable part of your metalworking toolkit for years to come.

Why choose inline design?

The inline orientation promotes a natural wrist position and balanced handling during extended grinding, contributing to improved precision on flat and contoured surfaces while reducing fatigue.

Compatibility and setup

This model works with standard shop air systems and common fittings. Use clean, dry air for consistent results and to extend tool life between service intervals.