Chicago Pneumatic CP875 Air Angle Die Grinder - Compact Power

Our review of the Chicago Pneumatic CP875 finds it best for technicians and hobbyists who need a compact, high-speed angle die grinder for confined spaces; the single biggest reason to buy is its combination of 0.3 HP power and a 90 degree head that makes high-speed grinding and polishing in tight areas both practical and efficient. The CP875 is lightweight and maneuverable while delivering a strong free speed, and it includes a safety lock off throttle that prevents accidental starts, making it a solid choice for repeated use in maintenance, metalwork, and detailing tasks.

Key Features

• High speed and power: The 0.3 HP / 220 W motor and 22500 RPM free speed let you blend and polish quickly, reducing job time on porting and deburring tasks.
• Compact 90 degree head: The angle design provides access to confined areas and makes it easier to work on tight engine bays or intricate metalwork.
• Lightweight ergonomics: A compact, lightweight body and comfortable grip reduce operator fatigue during extended use.
• Built-in safety: The lock off throttle lever prevents accidental start ups, offering added protection in busy shop environments.
• Durable construction: Aluminum housing and rear exhaust are designed for longevity under regular maintenance use.
• Versatile collet size: The 1/4 in (6 mm) collet accepts common rotary accessories for grinding, polishing, and deburring applications.

Who It's For

The CP875 is ideal for automotive technicians, metalworkers, and serious DIYers who need a reliable angle die grinder for tasks like smoothing, porting, and stainless steel polishing in confined spaces. Its power and speed suit shops that run frequent maintenance jobs and require a tool that fits tight spots while still delivering industrial-style performance.

Those who should look elsewhere include users who need variable speed control for extremely delicate finishes or a tool with a larger collet and greater torque for heavy stock removal; for heavy production grinding where vibration control and run time are priorities, a heavier-duty or electric alternative may be a better fit.

Pros & Cons

Pros

• Powerful for its size, delivering consistent high RPM for fast blending and polishing.
• Compact 90 degree head and light weight make it easy to use in tight quarters where larger grinders cannot reach.
• Safety lock off throttle and rear exhaust add practical shop-friendly features.
• Good value: customers report solid build quality and durability relative to price.

Cons

• No variable speed control, so delicate finishing requires a careful hand or different tool.
• Designed for light to medium work; it is not optimized for heavy material removal in continuous production runs.

Specifications

Brand	Chicago Pneumatic
Motor power	0.3 HP / 220 W
Free speed	22500 RPM
Collet	1/4 in (6 mm)
Exhaust	Rear exhaust
Housing	Durable aluminum
Common uses	Grinding, polishing, porting, deburring

Our Verdict

The CP875 is a compact, value-oriented angle die grinder that delivers notable speed and sufficient power for maintenance, automotive detailing, and metalworking in confined areas. Its ergonomic 90 degree head and safety features make it an excellent pick for technicians and DIYers who need reliable performance and maneuverability without paying for heavier industrial models.

Frequently Asked Questions

What size collet does the CP875 use?
The tool uses a 1/4 in (6 mm) collet compatible with common rotary accessories.

Is there a safety feature to prevent accidental starts?
Yes, the CP875 includes a lock off throttle lever to help prevent accidental start ups.

Can it handle heavy stock removal?
It is best for light to medium grinding and polishing; for heavy continuous material removal a larger, higher-torque grinder is recommended.