Chicago Pneumatic CP872
Score: 82/100
Astro 218
Score: 90/100Rankings
The Astro Pneumatic 218 is a lightweight, pencil-style pneumatic die grinder designed for high-speed porting, finishing, and cleaning in tight spaces. It features a 1/8" collet, a free speed of 56,000 RPM, and an ergonomic design that minimizes user fatigue during extended precision work. Best suited for automotive technicians and body shop workers needing precision grinding in confined areas.
The Chicago Pneumatic CP872 is a high-performance straight pneumatic die grinder featuring a powerful 0.63 HP motor and low vibration levels. Its high air consumption and noise output are significant trade-offs that require robust infrastructure and safety gear. It is ideal for maintenance professionals and welders needing a lightweight, high-speed tool for general polishing and deburring.
| Attribute | | |
|---|---|---|
27,000 RPM | 56,000 RPMbest | |
| ↓ lower better | 26 CFM | 4 CFMbest |
| ↓ lower better | 100.9 dB | 74 dBbest |
| ↓ lower better | 2.5 m/s² | 0.07 m/s²best |
| ↓ lower better | 0.57 kg | 0.11 kgbest |
240 mmbest | 133 mm | |
0.63 Wbest | — | |
110 mm | 368 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
General(1) | ||
Warranty | 1 year | Manufacturer Warranty |
Safety & Comfort(2) | ||
Noise Level (dB) | 100.9 dB | 74 dB |
Vibration Level (m/s²) | 2.5 m/s² | 0.07 m/s² |
Compatibility & Controls(3) | ||
Collet Size | 1/4 inch | 1/8" |
Switch Type | Lock-off Lever | Twist Throttle |
Tool Type | Straight | Pencil Type |
Performance(1) | ||
No-Load Speed (RPM) | 27000 RPM | 56000 RPM |
Dimensions(3) | ||
Overall Length (mm) | 240 mm | 133 mm |
Overall Width (mm) | 110 mm | 368 mm |
Overall Height (mm) | 100 mm | 500 mm |
Power & Air(2) | ||
Air Consumption (CFM) | 26 CFM | 4 CFM |
Air Inlet Size | 1/4 inch | 1/4" |
Ergonomics & Build(2) | ||
Weight (kg) | 0.57 kg | 0.11 kg |
Handle Type | Lever | Pencil Type |
Products in the top-left offer the best value (high score, low price).
Professional sources emphasize the tool's reliability and safety features for maintenance tasks, highlighting its economic value and upgraded ergonomic design.
There is no available consumer feedback, ratings, or testimonials in the provided data. Retail sites list the product but do not provide user comments or aggregated scores, making it impossible to derive common themes or sentiment from everyday users.
No independent professional reviews or editorials appear in search results; descriptions from manufacturers and retailers emphasize its suitability for high-speed porting in tight spots and reliability in automotive repair, positioning it as a top choice for body shops and exhaust work.
Search results contain no direct consumer reviews, ratings, or testimonials. Common themes from product pages infer praise for lightweight design and tight-spot access, with no recurring complaints documented.
