Chicago Pneumatic CP824 Standard-Duty 1/4" Drive Pneumatic Ratchet Wrench
- The Chicago Pneumatic CP824 is a lightweight, extended-length pneumatic ratchet wrench engineered for efficient tightening and loosening of small fasteners in tight spaces—ideal for automotive, maintenance, and under-dash applications.
- Features
- Aluminum housing remains compact and reduces operator fatigue during prolonged use
- Extended 7.75-inch handle improves access in constricted areas
- Working torque range of 5 to 17 Nm (4 to 12.5 ft-lb) supports precision fastening
- 220 RPM free-speed delivers steady, controlled performance
- Ball-detent square drive provides secure socket engagement
- Description
- Ratchet Wrench
- Item: Ratchet Wrench
- Type: Compact, Lightweight
- Drive Size: 1/4 Inch
- Drive Type: Square
- Overall Length: 7.8 Inch
- Free Speed Rating: 220 RPM
- Torque Rating: 4 Foot-Pound/12.5 Foot-Pound (Minimum/Maximum)
- Inlet Connection Size: 1/4 Inch NPTF
- Weight: 1.13 Pound
- Air Consumption: 3.8 CFM (Average), 15 CFM
- Hose Size: 3/8 Inch
- Sound Pressure: 91 Decibel
- Sound Power 102 Decibel:
- Vibration Level: 4.1 Meter per Square Second
- Vibration Uncertainty: 2 Meter per Square Second
- Applicable Standard: ISO-28927-2
- Specifications
- Order Part Number: CP824
- Item Description: 1/4-Inch Standard Duty Air Ratchet
- Manufacturer: Chicago Pneumatic
- Manufacturer Part Number: T025390
- Country of Origin: TW
- Harmonization Code: 84671154
- Default Selling Unit: EA
- Output drive size (in): 1/4
- Output retainer type: Ball detent
- Output drive type: Sq.
- Starting system: Lever
- Max torque reverse: 12.5 ft.lbf
- Max working torque reverse: 12.5 ft.lbf
- Min working torque reverse: 3.7 ft.lbf
- Free Speed: 220 rpm
- Weight: 1.12 lbs.
- Min hose diameter (5 m hose length): 10 mm
- Length (L): 7.76 in
- Main Material type: Aluminum
- Uncertainty vibration-K: 6.6 ft/s²
- Sound Power: 102 dB(A)
- Sound Pressure: 91 dB(A)
- Vibration (m/s²): 4.1
- Max dynamic air working pressure: 91 psi
- Air inlet thread size (in): 1/4
- This pneumatic ratchet wrench can also be referred to as CP824 air ratchet, 1/4 inch square drive ratchet, compact air ratchet, lightweight pneumatic ratchet, and CP maintenance ratchet.
The Chicago Pneumatic CP824 offers compact power and precision in tight environments. Its lightweight aluminum build, extended reach, and controlled torque range make it a go-to tool for professional mechanics and service technicians.
Q: What torque range and speed does the CP824 deliver?
A: It provides a working torque range of 5 to 17 Nm (4 to 12.5 ft-lb) with a free-speed of 220 RPM for reliable and accurate fastening control.
Q: How does the tool handle in tight or restricted spaces?
A: With a lightweight aluminum housing and extended length of 7.75 inch (197 mm), it’s designed to reach tight spaces comfortably and minimize operator effort.
Q: What are the air requirements and ergonomic characteristics?
A: The CP824 uses an average of 3.75 cfm (106 L/min) and 15 cfm (425 L/min) at load, with a 1/4 inch inlet and a 3/8 inch hose requirement. Sound levels reach 102 dB(A), and vibration is rated at 4.1 m/s²—well within ergonomic tolerances for general duty air tools.
