Ingersoll Rand 301B
Score: 80/100
WORKPRO Air Die Grinder
Score: 75/100Rankings
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.
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 | | |
|---|---|---|
21,000 RPM | 25,000 RPMbest | |
| ↓ lower better | 6 CFM | 3 CFMbest |
| ↓ lower better | 92 dBbest | — |
| ↓ lower better | 0.46 kg | 0.123 kgbest |
134 mmbest | — | |
0.25 Wbest | — | |
34 mmbest | — | |
74 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compatibility & Controls(3) | ||
Collet Size | 1/4" | 1/4 inch, 1/8 inch |
Switch Type | Lever | Trigger with Safety Lock |
Tool Type | Right Angle | Straight |
Performance(1) | ||
No-Load Speed (RPM) | 21000 RPM | 25000 RPM |
Dimensions(1) | ||
Overall Length (mm) | 134 mm | mm |
Power & Air(4) | ||
Power Source | Air | Pneumatic |
Air Consumption (CFM) | 6 CFM | 3 CFM |
Exhaust Type | Front | Rear |
Air Inlet Size | 1/4" | 1/4 inch |
Ergonomics & Build(2) | ||
Weight (kg) | 0.46 kg | 0.123 kg |
Housing Material | Aluminum | Unknown |
Products in the top-left offer the best value (high score, low price).
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.
No professional reviews, editor ratings, or expert analyses are available in the search results. Descriptions are limited to manufacturer specifications from retail pages.
No consumer reviews, praise, or complaints are present in the results. Sources contain no user-generated content or ratings.
