
Ingersoll Rand 3101G
Score: 85/100
WORKPRO Air Die Grinder
Score: 75/100Rankings

The Ingersoll Rand 3101G is a lightweight, high-performance right-angle die grinder designed for precision tasks in confined spaces. It offers excellent ergonomics with low vibration but generates significant noise, necessitating hearing protection. It is ideal for professional welders and fabricators who need durability and control.

The WORKPRO W182004A is a lightweight, high-speed pneumatic straight die grinder designed for precision tasks like grinding and polishing. It features a rear exhaust system to direct air away from the operator and includes dual collets for versatility. Best suited for automotive professionals and fabricators needing a versatile, low-fatigue tool for various materials.
| Attribute | ![]() | ![]() |
|---|---|---|
20,000 RPM | 25,000 RPMbest | |
| ↓ lower better | 3 CFMbest | 3 CFMbest |
| ↓ lower better | 93.1 dBbest | — |
| ↓ lower better | 1.8 m/s²best | — |
| ↓ lower better | 0.59 kg | 0.123 kgbest |
241 mmbest | — | |
0.33 Wbest | — | |
152 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Controls(3) | ||
Collet Size | 1/4 inch | 1/4 inch, 1/8 inch |
Switch Type | Lever | Trigger with Safety Lock |
Tool Type | Angle | Straight |
Performance(1) | ||
No-Load Speed (RPM) | 20000 RPM | 25000 RPM |
Dimensions(1) | ||
Overall Length (mm) | 241 mm | mm |
Ergonomics & Build(2) | ||
Weight (kg) | 0.59 kg | 0.123 kg |
Housing Material | Composite | Unknown |

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

Professional reviewers highlight the Ingersoll Rand 3101G as a versatile and precise tool suitable for weld grinding, deburring, and surface finishing in confined spaces. The 0.33 HP motor, lightweight composite body, and ergonomic grip are cited as key factors for productivity.
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