Best Chicago Pneumatic Power Grinders in 2026

The Kobalt 24-volt high efficiency brushless motor generates a maximum no-load speed of 25,000 RPM

3 speed settings: 10,000 (1-low), 17,500 (2-med), and 25,000 (3-high) RPM

Soft start allows user to control the cut from start to finish

Up to 2 Times More Power Than Pneumatic

4-Mode Speed Control For Maximum Control

Over 225 ONE+ Tools - All Work with Any RYOBI ONE+ 18V Battery

PNEUMATIC DIE GRINDER: Our air grinder tool features an extra 5 inch extended reach for working in tight, confined spaces that regular-sized surface grinders cannot reach; Cordless grinder is designed for grinding and surface preparation

VARIETY OF USES: This long neck die grinder is suitable for grinding wood, furniture, sculptures, metal, and stone with different grinding bits; Ideal air powered die grinder for removing solder joints and rust spots on metal products

CONVENIENT FEATURES: Our heavy duty die grinder features long service life, high speed, low noise, low air consumption, and easy operation; Rear exhaust on this die grinder surface prep tool can direct airflow from work surfaces

POWER: No load speed up to 29,000 RPM

LIGHTWEIGHT: At only 4 pounds, the high power-to-weight ratio allows for optimal control and maneuverability

MOTOR: Features Brushless Motor Technology for more runtime, increased power and extended durability with essentially no maintenance

Delivers 8,500RPM

Paddle Switch Design

Tool-Free Guard Adjustment

Generates 11A corded power, fastest cutting

RAPIDSTOP brake, enhanced safety

Slide switch designed to reduce user fatigue

PNEUMATIC DIE GRINDER: Our mini air grinder tool is designed for sanding, polishing, smoothing rough areas, grinding, and carving in confined spaces; Small grinder reaches tight spaces that regular-sized die air grinders cannot

WIDE VARIETY OF USES: This mini grinder offers high-quality movement, long service life, and low jitter, making it a suitable cordless grinder for wood, plastic, metal, rubber, stone, marble, and more materials

CONVENIENT FEATURES: Our grinder and sander machine comes with built-in silencing to reduce the noise level as you work; Mini sander tool includes a throttle lock for safety, preventing accidental start up

Milwaukee 4-Pole Motor- Delivers maximum power when cutting or grinding

Overload Protection- Prevents damage to the tool and battery in abusive situations

Debris Baffles - L-shape vents keep debris from entering the tool and damaging internal components to help increase tool life.

TOOL BODY ONLY: Accepts any 36V/18V MultiVolt battery or AC Adapter (sold separately)

SLIDE SWITCH: With trigger lock-on for comfortable and continuous operation

18% MORE POWER*: With maximum power output of 1500W

Delivers 11,000 RPM

Paddle Switch Design

Tool-Free Guard Adjustment

The MILWAUKEE 1/4" M12 FUEL Right Angle Die Grinder is the first cordless right angle die grinder that delivers the performance and size and speed professional service mechanics demand.

The die grinder delivers 20% more power than pneumatic competition and features the Milwaukee POWERSTATE Brushless Motor Technology.

The cordless die grinder provides users with up to .3 HP performance, best-in-class size to help fit in tight places, and offers users greater mobility and access.

The MILWAUKEE 1/4" M12 FUEL Right Angle Die Grinder is the first cordless right angle die grinder that delivers the performance and size and speed professional service mechanics demand.

The die grinder delivers 20% more power than pneumatic competition and features the Milwaukee POWERSTATE Brushless Motor Technology.

The cordless die grinder provides users with up to .3 HP performance, best-in-class size to help fit in tight places, and offers users greater mobility and access.

20% More Power Than Pneumatic, 0.3 HP Motor Output

3-MODE RPM CONTROL, Greater Mobility and Access

Optimum performance with 2" Accessories