Chicago Pneumatic CP860
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Summary
An entry-level pneumatic die grinder. Users say it does the job for light-to-medium deburring and polishing at a price that makes it disposable. Longevity reviews are mixed: some report years of service, others say the bearings wear after heavy continuous use. For the price, most users accept the tradeoff.
$30-$50 Amazon, Grainger
Key Specifications
| rpm | 24,000 |
| collet | 1/4" |
| powerSource | Pneumatic |
| weight | 1.0 lbs |
| cfm | 5 CFM @ 90 PSI |
Pros
- Lowest price on this list.
- Rear exhaust keeps debris away from the workpiece.
- Simple, no-frills design.
Cons
- Higher air consumption (5 CFM) than the Ingersoll Rand.
- Bearing life shorter under heavy use.
- No speed control.