
Ingersoll Rand 3107G
Score: 82/100
Ingersoll Rand 301B
Score: 80/100Rankings

The Ingersoll Rand 3107G is a 1/4-inch straight air die grinder from the EDGE Series featuring a 0.33 hp motor and 27,000 rpm maximum free speed. It is designed for finishing, cutting, polishing, and light weld grinding with an ergonomic grip and rear exhaust system. Best suited for professionals needing a versatile, high-speed air die grinder for porting, light weld grinding, and deburring in fabrication contexts.

The Ingersoll Rand 301B is a compact, right-angle pneumatic die grinder featuring a 0.25 hp motor and 21,000 rpm max speed, designed for precision tasks in confined spaces. It utilizes a durable aluminum housing and ball-bearing construction to ensure longevity and reduced vibration during operation. The tool is optimized for professional fabricators and machinists requiring high-speed grinding.
| Attribute | ![]() | ![]() |
|---|---|---|
27,000 RPMbest | 21,000 RPM | |
| ↓ lower better | — | 6 CFMbest |
| ↓ lower better | — | 92 dBbest |
| ↓ lower better | 0.64 kg | 0.46 kgbest |
168 mmbest | 134 mm | |
0.33 Wbest | 0.25 W | |
150 mmbest | 34 mm | |
30 mm | 74 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
Warranty | 1 Year Limited | 1 Year |
Compatibility & Controls(2) | ||
Switch Type | Self-locking Lever | Lever |
Tool Type | Straight Air Die Grinder | Right Angle |
Performance(2) | ||
No-Load Speed (RPM) | 27000 RPM | 21000 RPM |
Motor Power (W) | 0.33 W | 0.25 W |
Dimensions(3) | ||
Overall Length (mm) | 168 mm | 134 mm |
Overall Width (mm) | 150 mm | 34 mm |
Overall Height (mm) | 30 mm | 74 mm |
Power & Air(2) | ||
Power Source | Pneumatic | Air |
Exhaust Type | Rear Exhaust | Front |
Ergonomics & Build(2) | ||
Weight (kg) | 0.64 kg | 0.46 kg |
Housing Material | Metal | Aluminum |

Products in the top-left offer the best value (high score, low price).

No direct quotes from professional reviewers or editors appear in the results. Product pages emphasize reliability and power, positioning the tool as a robust option for professional tasks like weld grinding and deburring.
Results contain no consumer reviews, ratings details, or feedback summaries. Retail sites show placeholders for ratings but no extracted praise or complaints from everyday users.



Supplier descriptions and industry editors highlight the Ingersoll Rand 301B as a durable, value-oriented tool trusted for years of service. The metal housing and vane motor are emphasized for their reliability in general use, with the 0.25 hp motor at 21,000 rpm cited as providing sufficient power for porting and deburring tasks.
Direct consumer reviews are scarce, but available data indicates a positive reception with a 4.7/5 rating on one platform. Users generally praise the tool's comfort, lightness, and power, with no common complaints surfacing in the provided research.