Hydraulic square pile drill bit (47th generation)

Abstract

1. The name of the product of this design: Hydraulic square pile drill bit (47th generation). 2. Purpose of the product with this appearance design: used for digging and cutting square piles and foundation pits. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. The bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of Design 1 is omitted; the bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of Design 2 is omitted; the bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of Design 3 is omitted; the bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of Design 4 is omitted; the bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of Design 5 is omitted. 6. Designate Design 1 as the base design.

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