JET JAT-451 5" Pneumatic Angle Grinder - JT9-505451

JET JAT-451 5" Pneumatic Angle Grinder - JT9-505451

JET Air Grinders and Cutter Tools are designed to weigh less than competitive models. These grinder and cutter machines bring more than enough power to tackle any air-powered applications. The Jet JAT-451 Angle Grinder is built to make your job easier. With adjustable wheel cover, spindle lock for wheel changes, and outstanding power for it's 0.9hp motor, this tool will help you get your job done fast and efficiently.

Top applications include surface preparation, grinding, and weld smoothing.

Features

• Lightweight composite handle
• Precision spiral bevel gears transfer torque and speed to spindle for added durability
• Rugged, ball-bearing design for durability
• Safety throttle lock prevents accidental engagement
• Tapered angle gear housing allows greater visibility of targeted work area
• Toolless wheel guard swivels 360° with 9 preset positions
• Two-position auxiliary handle for versatility
• Variable-speed throttle ramps up to maximum RPM

Specification

Air consumption: 4 CFM
Air hose inner dia.: 3/8"
Air inlet: 1/4"
Air pressure: 90 PSI
Free speed: 12,000 RPM
Horsepower: 0.9hp
Overall length: 9-3/8"
Sound power: 91 dB
Sound pressure: 83 dB
Spindle thread: 3/8"-24 UNF
Vibration value: 2.4 m/s²
Weight: 4 lbs.
Wheel size: 5"

What Our Experts Think

• Powerful Performance: 1.3 HP motor delivers strong grinding power for industrial and automotive applications.

• Compact 5" Design: Perfect balance of size and control for heavy-duty use in tight spaces.

• Durable Build: Industrial-grade housing designed to withstand continuous operation.

• Comfort & Control: Ergonomic handle reduces fatigue during extended use.

• JET Reliability: Backed by JET’s trusted performance and warranty support.

Q&A

Q: What disc size does this grinder support?
A: Compatible with 5" grinding and cutting discs.

Q: Is it suitable for heavy-duty applications?
A: Yes, built for demanding metalworking, fabrication, and maintenance tasks.

Q: Does it require a specific air compressor?
A: Requires a compressor capable of delivering adequate CFM for continuous operation.

Q: Does it come with safety features?
A: Yes, includes a safety throttle lever to prevent accidental startups.

Maintenance Tips

• Lubricate regularly with air tool oil to ensure smooth operation.

• Check air pressure to maintain performance and prevent damage.

• Inspect discs before each use for cracks or wear.

• Keep the tool clean and free of debris to extend lifespan.

• Replace worn parts promptly to maintain safety and efficiency.