About Product
More Details
The CP749 is a 1/2″ pneumatic impact wrench from Chicago Pneumatic’s Classic range, prized for its durability thanks to a patented clutch mechanism running in an oil bath inside a metal motor housing. It delivers up to 827 Nm of reverse torque at a 6,400 rpm free speed, with four power settings for added versatility across different fastening jobs. A compact design and comfortable contoured handle make it easy to handle during repeated use.
Benefits
- Metal motor housing with CP’s patented clutch in oil bath for high durability.
- 4-power settings for better versatility
- Compact design with comfortable contoured handle
Technical Specifications
| Torque | |
|---|---|
| Max working torque fwd | 610 Nm |
| Max torque reverse | 827 Nm |
| Min working torque fwd | 68 Nm |
| Torque limited | No |
| Air information | |
| Air inlet thread size (in) | 1/4 |
| Max dynamic air working pressure | 6.3 bar |
| Min hose diam (5 m hose length) | 10 mm |
| Noise & vibrations | |
| Sound Power | 107 dB(A) |
| Sound Pressure | 96 dB(A) |
| Uncertainty vibration-K | 2 m/s² |
| Vibration | 6.2 m/s² |
| Speed | |
| Free Speed | 6400 rpm |
| Size & Weight | |
| Length (L) | 178 mm |
| Power weight ratio | 330 Nm/kg |
| Weight | 2.5 kg |
| Design & Functions | |
| Blow per minute | 1320 |
| Body | Aluminum |
| Clutch housing | Aluminum |
| Clutch lubrication type | Oil bath |
| Handle type | Pistol |
| Impact mecanism | Twin hammer |
| Main Material type | Aluminium |
| Output drive size (in) | 1/2 |
| Output drive type | Sq |
| Output retainer type | Friction ring |
| Starting system | Trigger |
- We are Chicago Pneumatic Authorised Warranty & Service Providers from our workshop in Southampton.
- We offer a range of after-sale services including HAV Testing
About Chicago Pneumatic

Chicago Pneumatic manufactures professional-grade tools and equipment trusted across trade and industrial sectors. Known for reliability, performance, and build quality, Chicago Pneumatic products are designed for demanding applications. Power Tool Sales is a UK supplier of genuine Chicago Pneumatic tools, accessories, and spare parts, offering expert advice and fast nationwide delivery.






