Ingersoll Rand 301B
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Summary
The industry workhorse. Mechanics and fabricators have used the 301B for decades. Users praise the ball-bearing construction, the light weight under a pound, and the reliable speed. Complaints are few: the rear exhaust blows cold air on your hand in winter, and the grip could be larger for big hands.
$40-$60 Amazon, MSC Industrial
Key Specifications
| rpm | 25,000 |
| collet | 1/4" |
| powerSource | Pneumatic |
| weight | 0.88 lbs |
| cfm | 4 CFM @ 90 PSI |
Pros
- Under 1 lb.
- Ball-bearing construction for longevity.
- 25,000 RPM without load variance.
- Cheap to buy, cheap to run.
Cons
- Requires a compressor (4+ CFM at 90 PSI).
- Rear exhaust blows cold air.
- No variable speed.
- 1/4" collet only.