The present invention provides a die for molding a honeycomb structure, which can be molded without causing bending on a cell grid and which can readily cope with changes of shrinkage percentage of the product. The invention also provides a honeycomb structure, which has no bending on the cell grid and has high strength. The die according to the present invention includes a metal die 1, having a feed hole forming unit 14 provided with feed holes 15 and a slot forming unit 11 provided with slots 12, and a guide ring 2, which has an abutment surface 25 placed face-to-face to a part of the metal die 1 via a clearance sector 22. The slot forming unit includes an outer peripheral slot forming unit 130 and a main-body slot forming unit 160, and there is provided a protruded surface 17 protruded in extruding direction between a main body end surface 16 and an outer peripheral end surface 13. The shortest linear distance "d" between the protruded surface 17 and the guide ring 2 is greater than the clearance distance "c" of the clearance sector.
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