Cutting section for a drill bit

12:

• The cutting section as recited in claim 11 wherein a first lower end surface of the first open tubular element and a second lower end surface of the second closed tubular element are aligned flush.

13:

• The cutting section as recited in claim 12 wherein that the at least one drill segment is connected to the first lower end surface and to the second lower end surface.

14:

• The cutting section as recited in claim 11 wherein the second closed tubular element has at least one slot-shaped recess, the at least one slot-shaped recess having a transverse slot and a connecting slot, and the connecting slot connecting the transverse slot to the second upper end surface of the second closed tubular element.

15:

• The cutting section as recited in claim 14 wherein the second closed tubular element in the second inner lateral surface has at least one transverse groove arranged level with the connecting slot of the at least one slot-shaped recess.

16:

• The cutting section as recited in claim 11 wherein the first open tubular element is formed from a first material and the second closed tubular element from a second material.

17:

• The cutting section as recited in claim 11 wherein the first open tubular element is in the form of a first formed sheet metal part.

18:

• The cutting section as recited in claim 11 wherein the second closed tubular element is in the form of a second formed sheet metal part.

19:

• The cutting section as recited in claim 18 wherein the second formed sheet metal part has at least one second positive form fitting element and at least one corresponding second negative form fitting element on opposite sides, wherein the at least one second positive form fitting element and the at least one second negative form fitting element are connected in a form fitting manner in the second closed tubular element.