eccentric double-pointed glass drill

Abstract

1. The name of the design product: eccentric two-blade glass drill. 2. The use of the design product: used for cutting and drilling tools. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: front view. 5. The bottom view is the same as the top view, and the bottom view is omitted. 6. Other situations that need to be explained: the protruding design part is in the drill part, a is the eccentric top blade, b is the upper edge side blade of the two edge side blades of the drill part, the top inclined blade in the middle is slightly convex arc, and c is the lower edge side blade. Wherein the b arc blade is higher than the c arc blade when in use.

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