Astro 218
Score: 90/100
Ingersoll Rand 3101G
Score: 85/100Rankings
The Astro Pneumatic 218 is a lightweight, pencil-style pneumatic die grinder designed for high-speed porting, finishing, and cleaning in tight spaces. It features a 1/8" collet, a free speed of 56,000 RPM, and an ergonomic design that minimizes user fatigue during extended precision work. Best suited for automotive technicians and body shop workers needing precision grinding in confined areas.
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.
| Attribute | | |
|---|---|---|
56,000 RPMbest | 20,000 RPM | |
| ↓ lower better | 4 CFM | 3 CFMbest |
| ↓ lower better | 74 dBbest | 93.1 dB |
| ↓ lower better | 0.07 m/s²best | 1.8 m/s² |
| ↓ lower better | 0.11 kgbest | 0.59 kg |
133 mm | 241 mmbest | |
— | 0.33 Wbest | |
368 mmbest | 152 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
General(1) | ||
Warranty | Manufacturer Warranty | 1 year |
Safety & Comfort(2) | ||
Noise Level (dB) | 74 dB | 93.1 dB |
Vibration Level (m/s²) | 0.07 m/s² | 1.8 m/s² |
Compatibility & Controls(3) | ||
Collet Size | 1/8" | 1/4 inch |
Switch Type | Twist Throttle | Lever |
Tool Type | Pencil Type | Angle |
Performance(1) | ||
No-Load Speed (RPM) | 56000 RPM | 20000 RPM |
Dimensions(3) | ||
Overall Length (mm) | 133 mm | 241 mm |
Overall Width (mm) | 368 mm | 152 mm |
Overall Height (mm) | 500 mm | 51 mm |
Power & Air(2) | ||
Air Consumption (CFM) | 4 CFM | 3 CFM |
Air Inlet Size | 1/4" | 1/4 inch |
Ergonomics & Build(2) | ||
Weight (kg) | 0.11 kg | 0.59 kg |
Handle Type | Pencil Type | Ergonomic |
Products in the top-left offer the best value (high score, low price).
No independent professional reviews or editorials appear in search results; descriptions from manufacturers and retailers emphasize its suitability for high-speed porting in tight spots and reliability in automotive repair, positioning it as a top choice for body shops and exhaust work.
Search results contain no direct consumer reviews, ratings, or testimonials. Common themes from product pages infer praise for lightweight design and tight-spot access, with no recurring complaints documented.
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.
Search results lack direct user reviews or detailed complaints, with no common praise or recurring issues identified beyond standard product descriptions. While Home Depot aggregate ratings suggest general satisfaction, specific user feedback is unavailable.
