It is 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. 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. Function: can grind various kinds of drills, such as standard twist drill, bottoming drills, multiple diameter drills, 2-four fact drills, masonry drills,wood drills, end mills, spot facer, and all kinds of flank, rake face, chisel edge and chamfering of point angle drills.