Terrace emery wheel

The utility model provides a terrace emery wheel, including the base member with be fixed in the tool bit on the base member, on the base member along the central evenly distributed of base member a plurality ofly the tool bit, along the central evenly distributed of base member a plurality of triangle -shaped lightening holes, the tool bit is crotch type tool bit. The utility model discloses a triangle -shaped lightening hole is favorable to timely chip removal and heat dissipation, can guarantee that base member top intensity is difficult to by the drawing breakage, the tool bit is mixed after the metallurgical process sintering forms by diamond granule and metal powder, and crotch type tool bit realizes quick cutting and guarantee getting rid of smoothly of smear metal, solves floor coating's the problem of cleaing away, has reduced product cost to the environmental protection is high -efficient. Terrace emery wheel in the course of the work, diamond segments plays the grinding effect, has guaranteed to ad