Product Line

Air Rotary Tools

Model No.: 4630 / 4631, Low Noise Air Smart Eraser (0.5HP/373W), 2,600RPM / 3,600RPM
Aluminum housing with ergonomic handle grip for comfort handling & fatigue free
Two front bearings for better and stable spindle rotation
Self-Locking Lever to prevent accident start ups
Adjustable regulator of variable speed control
Rubber eraser wheel 3-1/2" (90mm)
Exhaust whip hose (length: 50cm) is optional, directing cold air away from users in freezing working areas

Noise: Sound Pressure: 81 dba / Sound Power: 92 dba
Vibration: 2.5 m/s2

Low Noise Air Smart Eraser 

Model No.

4630 / 4631

Free Speed

2,600 RPM / 3,600 RPM

Horse Power

0.5HP / 373W

Rubber Pad 


Spindle Thread Size


Speed Reducer

2 gear, caged

Average Air Consumption

4CFM [113.3 L/min]


220mm / 8.7 in.

Net Weight

0.8kgs [1.8 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 4630 / 4631, Packing: 12PCS/CTN, N.W.: 12KG, G.W.: 13KG, CUFT: 1.1’
Rubber Eraser Wheel is NOT included with the tool