The Chicago Pneumatic CP9120CR 4" Air Angle Grinder is a super-duty industrial grinder designed for weld preparation, rust removal, deburring, and blending. It combines high power (600W, 0.8 HP) with a compact, ergonomic design for durability and operator comfort

Technical Specifications

Free Speed 12000 rpm

Air consumption at free speed 9.9 l/s

Guard max rotation 180 °

Guard positions 9

Main Material Type: Aluminium

Output Spindle Thread 3/8-24 UNF

Rotative guard type - Lock

No Spindle Lock

Starting system - Safety lever

Swivel Guard - Keyless

Wheel/Disc diameter (in) 4

Wheel/Disc diameter (mm) 100

Sound Power 95 dB(A)

Sound Pressure 84 dB(A)

Uncertainty vibration-K 1.6 m/s²

Vibration 5.3 m/s²

Air consumption at load 11 l/s

Air inlet thread size (in) 1/4

Air inlet thread type NPT

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

Max power 600 W

Length (L) 233 mm

Weight 1.9 kg