Product Line

Air Rotary Tools

Model No.: 4230 / 4231, Air Die Grinder - 3" or 5" Extended (0.3HP/224W),25,000RPM
Round out : below 0.1mm
Light weight and compact for easy handling
Aluminum housing with ergonomic handle grip for comfort handling & fatigue free
3" or 5" extended shaft design for grinding in narrow & hard-to-reach areas or inside pipes
Two front bearings for better and stable spindle rotation
Self-Locking Lever to prevent accident start ups
Built in regulator of variable speed control
Adjustable side exhaust- turn the dust & debris exhaust to whichever direction you need
Exhaust whip hose (length: 50cm) is optional, directing cold air away from users in freezing working areas

Air Die Grinder - 3" or 5" Extended

Model No.

4230 / 4231

Free Speed

25,000 RPM

Horse Power

0.3HP / 224W

Collet Size

6mm or 1/4"

Average Air Consumption

3CFM [85.0 L/min]


220mm (8.7 in.) / 259mm (10.2 in.)

Net Weight

0.5kgs [0.7 lbs.] / 0.7kgs [1.5 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 4230, Packing: 12PCS/CTN, N.W.: 11KG, G.W.: 12KG, CUFT: 1.1’
Model No.: 4231, Packing: 12PCS/CTN, N.W.: 12KG, G.W.: 13KG, CUFT: 1.1’