Universal drill grinder MR-21A
This drill grinder is a special equipment for resharpening drills. MR-21A drill grinder, which produced by our Co., wins praise from customers for its smart, accurate, effective, reliable, long lasting and low-cost features. The geometric forms and surface roughness of drill resharpened can be guaranteed by high rigidity, accurate position and rational structure of this grinder. It is very easy for an operator, even an unskilled, to get point of operation by means of its magic design. According to some users investigation the cost to buy this machine can be paid off within one month by saving 3 or 4 working hour a day through reducing wear of drill, grinding wheel etc… Taking into consideration of that a standard reground drill can improve working speed and quality, its economic benefit will be greater than above mentioned.
Apart from being a special drill grinder it can also be used for grinding other cutters or crafts by changing kinds of grinding wheels or dressed forms of grinding wheels.
Technical parameters:
Range of drill diameter: 3-21mm
Grinding wheel diameter: 125mm
Voltage: 220V
Motor power: 180W
Speed: 2800r/min
Weight: 11.5kg
Function: can grind high-speed steel and hard alloy steel of twist drill, ladder drill, throng drill, thin wall drill, percussion drilling, anomalous drill, etc.
