Product Line

Industrial Air Tools

Model No.: 4251/4251R,Air Straight Die Grinder (1HP/745W), 14,600RPM
Round out : Below 0.1mm
Magnesium-Aluminum alloy housing
A wide range of grinders are applied to cover various grinding works
Great for grinding in narrow hard-to-reach spaces or inside pipes
High quality and durable performance for industrial use
Self-Locking Lever to prevent accident start ups
Either of 4251 (Self-Locking Lever) or 4251R (Roll Valve) for option

Air Straight Die Grinder

Model No.

4251 / 4251R

Free Speed

14,600 RPM

Horse Power

1HP / 745W

Collet Size

6mm or 1/4"

Average Air Consumption

4.8CFM [136.0 L/min]


390mm ( 15.4 in.) / 345mm ( 13.6 in.)

Net Weight

1.7kgs [3.8 lbs.] /1.3kgs [2.9 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 4251 / 4251R, Packing: 10PCS/CTN, N.W.: 18KG, G.W.: 19KG, CUFT: 1.6’