Specification of Chicago Pneumatic Cp7748 - Impact Wrenches
Benefits
Most powerful tool on the market in its class: 922 ft.lbs – 1250 Nm of maximum real torque in reverse
Best price to performance/durability ratio
Lightweight due to composite housing
Contoured comfort grip handle instead of TPR injected in handle
Smooth Forward / Reverse Switch on back
Suited for all maintenance applications: Light vehicle tire changing, General maintenance on vehicles and MRO applications
Features
1/2" composite impact wrench
One handed forward/reverse
Full power in reverse: 922 ft. lb - 1250 Nm maximum real torque in reverse
3 positions in forward: Low - 180 ft-lbs. / 245 Nm - Medium - 480 ft-lbs. / 650 Nm - High - 730 ft-lbs. / 990 Nm
Aluminum clutch & back housing
Friction ring socket retainer
Full teasing trigger
Curved to be more ergonomic, Smaller diameter to fit better in hand palm and to be optimum balanced
Handle with Thermo-Plastic Rubber injected in housing for a durable and comfortable grip; Resistant to most chemicals used in workshops
Twin hammer mechanism
360° swivel air inlet
Composite housing
| | Metric | Imperial |
Model | CP7748 | |
Part number | 8941077480 | |
Actual air consumption | 12 l/s | 25 cfm |
Air inlet thread size | 1/4 " | |
Average air consumption | 3 l/s | 6.2 cfm |
Blows per minute | 1200 | |
Box dimensions | 215*210*77 mm | 8,5*8,25*3,03 " |
Clutch type | Twin Hammer | |
Free speed | 8200 rpm | |
Handle type | Pistol | |
Length | 200 mm | 7.8 " |
Maximum Torque (reverse) | 1250 Nm | 920 ft.lbs |
Min. hose size | 10 mm | 3/8 " |
Net weight | 2 kg | 4.6 lb |
Over carton | 455*420*240 mm | 17,9*16,5*9,45 " |
Power/weight ratio | 625 Nm/kg | 200.4 ft.lb/lb |
Side to center | 38 mm | 1 1/2 " |
Socket retainer | Friction ring | |
Sound Power | 104 db(A) | |
Sound pressure | 93 db(A) | |
Square drive | 1/2 " | |
Vibration | 10.1 m/s² | |
Vibration uncertainty (K) | 2.34 m/s² | |
Vibration-ISO | ISO-28927-2 | |
Working Torque Range (fwd) | 102 - 786 Nm | 75 - 580 ft.lbs |
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