Product Line

Industrial Air Tools

Model No.: 4591 / 4591R, Air Die Grinder - 16" Extended (1HP/745W ), 20,000RPM
Round out : Below 0.12mm
Compact and powerful design
Cylinder with heat treatment and durable bakelite of rotor blades
High quality and durable performance for industrial use
16" extended shaft design for grinding in narrow & hard-to-reach spaces or inside pipes
Self-Locking Lever to prevent accident start ups
The elastic collet with excellent mounting and alignment
Either of 4591 (Self-Locking Lever) or 4591R (Roll Valve) for option

Air Die Grinder - 16" Extended

Model No.

4591 / 4591R

Free Speed

20,000 RPM

Collet Size

6mm / 1/4" or 8mm / 3/8"

Horse Power

1HP / 745W

Average Air Consumption

5CFM [141.6 L/min]


600mm ( 23.6 in.) / 605mm ( 23.8 in.)

Net Weight

2.8kgs [6.2 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 4591 / 4591R, Packing: 6PCS/CTN, N.W.: 18KG, G.W.: 19KG, CUFT: 0.75’