The Chicago Pneumatic CP3550-120AB is a angle sander engineered for dependable, professional-grade performance in demanding industrial and workshop environments. It offers 12000 rpm free speed, 17 l/s air consumption, and No autobalancer, making it well suited for surface preparation and finishing where consistent power and durability are essential.
Key Specifications
- Autobalancer: No
- Circular Abrasive Pad Size (in): 5
- Circular Abrasive Pad Size (mm): 125
- Exhaust: Rear
- Governor type: Ball
- Main Material type: Aluminium, Composite over-sleeve
- Output Spindle Thread: 5/8-11 UNC
- Pad holes number: 0
| Design & Functions | |
| Autobalancer | No |
| Circular Abrasive Pad Size (in) | 5 |
| Circular Abrasive Pad Size (mm) | 125 |
| Exhaust | Rear |
| Governor type | Ball |
| Main Material type | Aluminium, Composite over-sleeve |
| Output Spindle Thread | 5/8-11 UNC |
| Pad holes number | 0 |
| Rotative inlet | Yes |
| Spindle lock | Yes |
| Starting system | Safety lever |
| Noise & vibrations | |
| Sound Power | 95 dB(A) |
| Sound Pressure | 84 dB(A) |
| Uncertainty vibration-K | 3.4 m/s² |
| Air information | |
| Air consumption at load | 17 l/s |
| Air inlet thread size (in) | 3/8 |
| Air inlet thread type | NPT |
| Max dynamic air working pressure | 6.3 bar |
| Min hose diam (16 ft hose length) | 0.5 in |
| Min hose diam (5 m hose length) | 13 mm |
| Power | |
| Max power | 1100 W |
| Size & Weight | |
| Height (H) | 94 mm |
| Length (L) | 249 mm |
| Side to Center | 29 mm |
| Weight | 1.5 kg |
| Speed | |
| Free Speed | 12000 rpm |
| Air consumption at free speed | 26 l/s |
| Overspeed shut-off | No |
Package Dimensions 35.1 x 16.4 x 12.9 cm. Package Weight 2.12 kg
Backed by Chicago Pneumatic’s engineering standards and quality control, the CP3550-120AB is built to deliver consistent results and long service life, making it a reliable choice for professionals who depend on their tools every day.



