Best Chicago Pneumatic Power Grinders in 2026

POWERSTATE Brushless Motor: Delivers maximum power and up to 10X longer motor life

REDLINK PLUS Intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger

REDLITHIUM XC5.0 Battery Pack (not included) provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life

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.

PADDLE SWITCH: You can activate this grinder easily, even when you’re wearing thick work gloves, thanks to the paddle switch design

DEBRIS BAFFLES: An “L” shape molding near the grinding wheel picks up debris and prevents it from clogging up the tool’s internal components

TOOL-FREE GUARD: The guard is easily adjustable. All it takes is the push of a button, and you can have the guard adjusted for a variety of cutting applications at different angles

DCG413: kickback brake stops wheel in 2 seconds or less on average

DCG413: safety - two stage trigger requires two actions to activate tool

DCG413: extended tool life with brushless motor

Power Source: Cordless

Color: Black, Red

Part Number: 2486-20

APPLICATIONS: Ideal for cutting rebar or pipe, grove stone or concrete or grind metal and masonry

POWER: Power through tough applications with a no-load speed of 9,000 RPM

MODES: Auto-mode option automatically adjusts the RPM down when the tool is not under load, resulting in a decrease in noise and vibration, while also sparing the life of the battery for optimum performance

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

POWER: 9,000 RPM no load speed

SLIDE SWITCH: Quick off feature to immediately shut tool down for added safety

POWER: 1.6 X higher overload durability via optimized gear ratio and bigger motor fan

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

20% More Power Than Pneumatic, 0.3 HP Motor Output

3-MODE RPM CONTROL, Greater Mobility and Access

Optimum performance with 2" Accessories

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.

Delivers 11,000 RPM

Paddle Switch Design

Tool-Free Guard Adjustment