Chicago Pneumatic CP8242-R 1/2" Ring Impact Wrench

This series of ultralight, ergonomic impact wrenches, designed with a durable twin hammer clutch mechanism, is highly recommended. The advantages of pneumatic technology are reinforced by the lightweight composite body design and an aluminium clutch housing for long-term use. Bolt mounting and removal is facilitated by ergonomic options such as an integrated bail and rubber grip handle. The CP82 series is available in 9 models with a pin or ring dual socket retainer for a maximum reverse torque from 450 up to 1,650 Nm (332 up to 1217 ft.lb). The range extends from 3/8" to 3/4". Country of origin is TW. Customs tariff is 84671190.

• The twin hammer clutch mechanism offers a high power/weight ratio.
• Low vibration sensation for operator comfort, even at very high torque.
• Lightweight composite body and aluminium clutch housing
• 3 power settings ensure high progressive maximum torque for smooth operation.
• Integrated suspension bail for use with balancer

Torque

Max working torque fwd - 400 Nm

Max torque reverse - 550 Nm

Min working torque fwd - 80 Nm

Torque limited - No

 

Air information

Air consumption at load (Normo) - 21.2 1/sNl

Air consumption at load - 10 l/s

Air inlet thread size (in) - 1/4

Max dynamic air working pressure - 6.3 bar

Min hose diam (16 ft hose length) - 0.38 in

Min hose diam (5 m hose length) - 10 mm

 

Noise & vibrations

Sound Power - 100 dB(A)

Sound Pressure - 89 dB(A)

Uncertainty vibration-K - 3.2 m/s²

Vibration (m/s²) - 6.6

Vibration - 6.6 m/s²

 

Speed

Free Speed - 11500 rpm

 

Size & Weight

Length (L) - 177 mm

Power weight ratio - 450 Nm/kg

Side to Center - 30 mm

Weight - 1.2 kg

 

Design & Functions

Blow per minute - 1250

Body - Composite

Clutch housing - Aluminium

Clutch lubrication type - Grease

Handle type - Pistol

Impact mechanism - Twin hammer

Main Material type - Composite

Output drive size (in) - 1/2

Output drive type - Sq

Output retainer type - Friction ring

Starting system - Trigger

Suspension option - Included

84671190

TW