Product Line

Air Rotary Tools

Model No.: 4236 / 4237 / 4238 / 4239 / 4240 / 4241, Air Die Grinder - 12",21" o 31" Extended (1HP/745W),22,000RPM / 3,500RPM
Features
Round out : below 0.12mm
Aluminum housing with ergonomic handle grip for comfort handling & fatigue free
12", 21" or 31" extended shaft design for grinding in narrow and hard-to-reach areas
Two front bearings for better and stable spindle rotation
Adjustable side exhaust- turn the dust & debris exhaust to whichever direction you need
Self-Locking Lever to prevent accident start ups
Adjustable regulator of variable speed control
Exhaust whip hose (length: 50cm) is optional, directing cold air away from users in freezing working areas

Model No.: 4236, Air Die Grinder, 12" Extended, 22,000RPM
Model No.: 4237, Air Die Grinder, 21" Extended, 22,000RPM
Model No.: 4238, Air Die Grinder, 31" Extended, 22,000RPM

Model No.: 4239, Air Die Grinder, 12" Extended, 3,500RPM
Model No.: 4240, Air Die Grinder, 21" Extended, 3,500RPM
Model No.: 4241, Air Die Grinder, 31" Extended, 3,500RPM
Specification

 Air Die Grinder - 12", 21" or 31" Extended

Model No.

4236 / 4237 / 4238 / 4239 / 4240 / 4241

Free Speed

22,000 RPM / 3,500 RPM

Horse Power

1HP / 745W

Collet Size

6mm (1/4") / 8mm (3/8")

Speed Reducer

3 gear, Caged (Model No. 4239, 4240 & 4241)

Average Air Consumption

5CFM [141.6 L/min]

Length

      445mm / 17.5 in. ( Model No.: 4236)
      688mm / 27.1 in. ( Model No.: 4237)
      943mm / 37.1 in. 
( Model No.: 4238)
      477mm / 18.8 in. ( Model No.: 4239)
      719mm / 28.3 in. ( Model No.: 4240)
       974mm / 38.3 in. ( Model No.: 4241) 

Net Weight

   1.3kgs [2.9 lbs.] ( Model No.: 4236)
   1.8kgs [4.0 lbs.] ( Model No.: 4237)
   2.2kgs [4.9 lbs.] 
( Model No.: 4238)
   1.6kgs [3.5 lbs.] ( Model No.: 4239)
   2.0kgs [4.4 lbs.] ( Model No.: 4240)
    2.5kgs [5.5 lbs.] ( Model No.: 4241)

Air Inlet

1/4"

Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 4236 / 4239, Packing: 6PCS/CTN, N.W.: 9.3KG, G.W.: 10.3KG, CUFT: 0.93’
Model No.: 4237 / 4240, Packing: 4PCS/CTN, N.W.: 8.7KG, G.W.: 9.7KG, CUFT: 1.36’
Model No.: 4238 / 4241, Packing: 4PCS/CTN, N.W.: 12.1KG, G.W.: 13.1KG, CUFT: 1.7’