Benchtop Electric Grinder: Compact Household Knife Sharpener, Drill Bit Grinder, Heavy-Duty Industrial-Grade Copper Wire Polishing and Grinding Machine

Model: Benchtop MDQ3212
Motor Power (W): 250
Rated Voltage (V): 220
Rated Frequency (Hz): 50
Speed (r/min): 2800
Grinding Wheel Linear Speed (m/s): 35
Insulation Class: Class E
Duty Cycle (min) 30
Compatible Grinding Wheel Dimensions (mm) (O.D. x Thickness x I.D.) Φ125 x 18 x Φ13
Spindle Diameter (mm) 13
Base Mounting Hole Dimensions (mm) (Number of Holes - Diameter / Length x Width) 4-Φ7 / 117 x 106
Grinding Wheel Grit Size 60
Packaging Dimensions (mm) (Length x Width x Height) 292x155x195
Gross Weight (kg) 4

Model: Benchtop MDQ3215
Motor Power (W) 370
Rated Voltage (V) 220
Rated Frequency (Hz) 50
Speed (r/min) 2800
Grinding Wheel Linear Speed (m/s) 35
Insulation Class E
Duty Cycle (min) S220
Compatible Grinding Wheel Dimensions (mm) (O.D. x Thickness x I.D.) Φ150 x 20 x Φ32
Spindle Diameter (mm) 13
Base Mounting Hole Dimensions (mm) (No. of Holes - Diameter / Length x Width) 2-Φ10 / 131 (spacing)
Grinding Wheel Grit Size 60
Packaging Dimensions (mm) (Length x Width x Height) 361x186x255
Gross Weight (kg) 10

Model: Benchtop MQ3220
Motor Power (W) 550
Rated Voltage (V) 380/220
Rated Frequency (Hz) 50
Speed (r/min) 2800
Grinding Wheel Linear Speed (m/s) 35
Insulation Class E
Duty Cycle (min) S220
Compatible Grinding Wheel Dimensions (mm) (O.D. x Thickness x I.D.) Φ200 x 20 x Φ32
Shaft Size (mm) 13
Base Mounting Hole Dimensions (mm) (Number of Holes - Diameter / Length x Width) 2-Φ10/131 (spacing)
Grinding Wheel Grit Size 60
Packaging Dimensions (mm) (Length x Width x Height) 391x248x290
Gross Weight (kg) 12

Model: Benchtop MQ3225
Motor Power (W) 750
Rated Voltage (V) 380/220
Rated Frequency (Hz) 50
Speed (r/min) 2800
Grinding Wheel Linear Speed (m/s) 35
Insulation Class Class E
Duty Cycle (min) S220
Compatible Grinding Wheel Dimensions (mm) (O.D. x Thickness x I.D.) Φ250 x 25 x Φ32
Shaft Diameter (mm) 16
Base Mounting Hole Dimensions (mm) (Number of Holes - Diameter / Length x Width) 2 - Φ12 / 147 spacing
Grinding Wheel Grit Size 60
Packaging Dimensions (mm) (Length x Width x Height) 470x291x330
Gross Weight (kg) 19