Product Line

Air Rotary Tools

Model No.: 4420 / 4220 / 4221 / 4320 / 4321 / 4920, Mini Air Grinder Series (0.3HP/224W), 18,000RPM / 25,000RPM

Mini Air Grinder Series (0.3HP/224W), 25,000RPM / 18,000RPM / 16,000RPM

Model No.: 4420 / 4220 / 4221 / 4320 / 4321 / 4920 / 4921

Description

Designed for deburring, contouring grinding & smoothing
Applicable for all kinds of workshop and body shop
0.3HP / 224W, Rear Exhaust
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Catalog of Mini Air Grinder Series (934 KB)
Features
Round out : Below 0.1mm
Extremely short, lightweight and handy device for grinding
Aluminum housing with composite handle grip for comfortable operation and fatigue free
5 rotor blades design of more powerful output than conventional drives
Self-Locking Lever to prevent accident start ups
Angle head allows flexibility for grinding in confined areas (Model No.: 4320 / 4321 / 4920 / 4921)
Spiral bevel gearing in angle head provided extended life and smooth power (Model No.: 4320 / 4321 / 4920 / 4921)
Extended shaft is for grinding in narrow and hard-to-reach spaces or inside pipes (Model No.: 4220 / 4221 / 4321 / 4921)
The tool can be installed with grinding wheel or cutting wheel (Model No.: 4920 / 4921)
Specification

Mini Air Die Grinder / Mini Air Die Grinder, 3" or 5" Extended

Model No.

4420 / 4220 / 4221

Free Speed

25,000 RPM

Horse Power

0.3HP / 224W

Collet Size

6mm or 1/4"

Average Air Consumption

3CFM [85.0 L/min]

Length

115mm (4.5 in.) / 190mm (7.5 in.) / 241mm (9.5 in.)

Net Weight

0.3kg [0.7 lbs.] / 0.4kg [0.9 lbs.] / 0.6kg [1.3 lbs.]

Air Inlet

1/4"

Air Pressure

90PSI [6.3 kg/cm²]

Mini Air Angle Die Grinder / Mini Air Angle Die Grinder, 5" Exteneded

Model No.

4320 / 4321

Free Speed

18,000 RPM

Horse Power

0.3HP / 224W

Collet Size

6mm or 1/4"

Average Air Consumption

3CFM [85.0 L/min]

Length

126mm (5.0 in.) / 252mm (9.9 in.)

Net Weight

0.45kg [1.0 lbs.] / 0.7kg [1.5 lbs.]

Air Inlet

1/4"

Air Pressure

90PSI [6.3 kg/cm²]

 2" Mini Air Angle Grinder / 2" Mini Air Angle Grinder, 5" Extended

Model No.

4920 / 4921

Free Speed

16,000 RPM

Horse Power

0.3HP / 224W

Grinding Wheel

50(W)x4(H)x9.5(D)mm or 2(W)x5/32(H)x3/8(D)"

Spindle Thread Size

3/8"-24UNF

Average Air Consumption

3CFM [85.0 L/min]

Length

129mm (5.1 in.) / 255mm (10.0 in.)

Net Weight

0.53kg [1.2 lbs.] / 0.8kg [1.8 lbs.]

Air Inlet

1/4"

Air Pressure

90PSI [6.3 kg/cm²]

Remark
Grinding Wheel is NOT included with tool
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