Chicago Pneumatic CP828H 1/2" Air Ratchet Wrench, Aluminum, Heavy-Duty
- The Chicago Pneumatic CP828H air ratchet wrench (part number CP828H, SKU T022970) is a compact, durable pneumatic tool designed for general maintenance tasks—offering reliable torque and performance in tight spaces.
- Features:
- 1/2 in square drive with TriSpring anti-slip head — ensures secure socket engagement and minimizes slipping
- Grease fitting on reverse knob — simplifies lubrication and maintenance of the ratchet head
- Compact inline body (~10 in / 254 mm) — ideal for operation in confined areas
- Heavy-duty construction with hardened gears and ergonomic design — built for long-term professional use
- Description
- Ratchet Wrench
- Item: Ratchet Wrench
- Drive Size: 1/2 Inch
- Drive Type: Square
- Overall Length: 10 Inch
- Free Speed Rating: 150 RPM
- Torque Rating: 10 Foot-Pound/50 Foot-Pound (Minimum/Maximum)
- Inlet Connection Size: 1/4 Inch NPTF
- Weight: 2.4 Pound
- Air Consumption: 3.8 CFM (Average), 15 CFM
- Hose Size: 3/8 Inch
- Sound Pressure: 97 Decibel
- Sound Power: 108 Decibel
- Vibration Level: 3.2 Meter per Square Second
- Vibration Uncertainty: 1.3 Meter per Square Second
- Applicable Standard: ISO-28927-2
- Specifications:
- Order Part Number: CP828H
- Item Description: RATCHET1/2" HD 50 FT LBS
- Manufacturer: Chicago Pneumatic
- Part Number: T022970
- Country of Origin: JP
- Harmonization Code: 84671154
- Default Selling Unit: EA
- Output drive size (in): 1/2
- Output retainer type: Ball detent
- Output drive type: Sq.
- Starting system: Lever
- Max torque reverse: 51.6 ft.lbf
- Max working torque reverse: 51.6 ft.lbf
- Min working torque reverse: 9.6 ft.lbf
- Free Speed: 150 rpm
- Weight: 2.43 lb.
- Min hose diameter (5 m hose length): 10 mm
- Length (L): 10 in
- Main Material type: Aluminum
- Uncertainty vibration-K: 4.3 ft/s²
- Sound Power: 108 dB(A)
- Sound Pressure: 97 dB(A)
- Vibration (m/s²): 3.2
- Max dynamic air working pressure: 91 psi
- Air inlet thread size (in): 1/4
- Air inlet thread type: NPT
- The CP828H may also be referred to as ½-in pneumatic ratchet, inline air ratchet, high-torque air ratchet, compact maintenance ratchet.
Chicago Pneumatic’s CP828H air ratchet packs durable performance into a compact design—offering consistent torque, easy maintenance, and smooth operation in maintenance and automotive service applications.
Q: What kind of torque and speed performance does the CP828H deliver?
A: It delivers a free speed of 150 RPM, with a working torque range of 10–50 ft-lb (13–70 Nm) and a maximum reverse torque of 50 ft-lb (70 Nm).
Q: How compact and durable is this ratchet wrench?
A: The inline body is just 10 in (254 mm) long, making it ideal for confined workspaces. It features hardened gears and an anti-slip ratchet head for long-lasting, reliable use.
Q: What are the air requirements and maintenance features?
A: The tool operates at 90 psi (6.2 bar), consuming approximately 3.75 CFM (106 L/min) on average and up to 15 CFM (425 L/min) under load. It includes a grease fitting on the reverse knob for easy lubrication.
