Cutting edge portion of drill bit

Abstract

1. The name of the design product: the cutting edge part of drill bit. 2. The use of the design product: the whole of the design product is used for drill bit, which is used for making hole in the workpiece, and the part as claimed is the cutting edge part of drill bit. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: in each view, the part represented by solid line is the part as claimed, except the part represented by dotted line.

Images