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Silver 1/2-inch drive air ratchet with side exhaust and ball-detent retainer

Chicago Pneumatic

Chicago Pneumatic CP7829H 1/2 in air ratchet 70 ft-lb 225 RPM 2.7 lb

SKU CH-XPTW-JPNSG

Delivers 70 ft-lb torque at 225 RPM with a 1/2 in square drive and weighs 2.7 lb

  • Product typeAir Ratchet Wrenches
  • Delivers 70 ft-lb torque for stubborn fasteners
  • Free speed of 225 RPM speeds through repetitive tasks
  • Weighs only 2.7 lb to reduce operator fatigue
  • Compact 10 7/8 in length fits tight engine bays
  • Industrial duty rating withstands daily shop use

Chicago Pneumatic 1/2 in air ratchet

The Chicago Pneumatic CP7829H is a 1/2 inch drive air ratchet wrench designed for industrial duty. It delivers 70 ft-lb of fastening torque at a free speed of 225 RPM. The tool weighs 2.7 lb and has an overall length of 10 7/8 in. It is built for professional mechanics and heavy-duty maintenance work.

Installation needs 90 psi and 4 cfm supply

Connect the 1/4 in NPT air inlet to a hose of at least 3/8 in diameter. The tool requires a steady 90 psi operating pressure and consumes 4 cfm of air. Side exhaust directs air away from the work area. A common issue is insufficient compressor capacity causing pressure drop and reduced torque output during sustained use.

Suits pros needing compact high-torque access

This ratchet fits tight engine bays and suspension points where impact wrenches cannot reach. The ball detent retainer secures sockets during high-vibration tasks. It is not for buyers who need cordless portability or torque values above 70 ft-lb. Technicians requiring continuous high-volume fastening may prefer a larger drive tool.

How it compares

Measured against everything we stock in Air & Hydraulic Power Tools, at today’s prices. Recalculated every night.

Price $170.99
Pricier than about 74% of the 243 comparable items (median $61.99).

Specifications

Product
Brand nameChicago Pneumatic
Product typeAir Ratchet Wrenches

Questions about this item

How do I confirm the CP7829H is delivering 70 ft-lb at 225 RPM after setup?

Connect the tool to a 3/8 in hose at 90 psi, run it at free speed and verify it reaches 225 RPM; then apply a calibrated torque tester to confirm 70 ft-lb fastening torque.

What comes with the CP7829H and what must I supply?

The ratchet itself is included; you must provide a 3/8 in minimum air hose, a 1/4 in NPT fitting and a compressed-air source capable of 4 cfm at 90 psi.

Which drive size suits the CP7829H for my sockets?

The CP7829H has a 1/2 in square drive with ball-detent retainer, so choose 1/2 in drive impact sockets for a secure fit.

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