Astro 527C
Score: 70/100
Rockwood Air Drill
Score: 78/100Rankings
The Rockwood 1/2 Inch Pneumatic Air Drill is a ruggedly designed tool engineered for heavy-duty drilling applications in workshop and industrial settings. It features a 5-vane ball-bearing air motor, variable speed control, and reversible operation to ensure reliable service and versatility. The larger 1/2" chuck and side handle make it ideal for sustained drilling in metal and fabrication.
The Astro Pneumatic 527C is an extra heavy-duty reversible air drill featuring a planetary gear system and a 1/2 hp motor. Its key strength is its robust construction and side handle, making it ideal for demanding tasks like automotive repair. However, its low RPM and lack of detailed performance data make it less suitable for high-speed drilling or users requiring verified torque metrics.
| Attribute | | |
|---|---|---|
500 RPM | 700 RPMbest | |
| ↓ lower better | 7 CFMbest | 7 CFMbest |
— | 90 PSIbest | |
0.5 inchesbest | 0.5 inchesbest | |
| ↓ lower better | 4.33 lbs | 3.08 lbsbest |
| ↓ lower better | 9.25 inches | 8.35 inchesbest |
0.25 inchesbest | 0.25 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Design & Ergonomics(3) | ||
Chuck Type | Not specified | Keyed |
Tool Weight (lbs) | 4.33 lbs | 3.08 lbs |
Overall Length (inches) | 9.25 inches | 8.35 inches |
Compatibility & Air Requirements(1) | ||
Operating Pressure (PSI) | 90-120 PSI | 90 PSI |
Features & Controls(2) | ||
Noise Level (dB) | Not specified dB | null dB |
Exhaust Direction | Handle Exhaust | null |
Build & Durability(2) | ||
Housing Material | Not specified | Metal |
Warranty Length (years) | Not specified years | null years |
Performance & Power(1) | ||
Free Speed (RPM) (RPM) | 500 RPM | 700 RPM |
Products in the top-left offer the best value (high score, low price).
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