A positioning and securing device for plate-shaped tools (3) for the hot-pressure transfer of portions of metallic film webs onto a paper or cardboard substrate, employing a supporting and heating plate (1) for the tools (3), covered by a plurality of apertures (2) distributed according to a determined periodicity and adapted to receive securement means for the tools (3), the device comprising:
- a) positioning means for the tools (3) comprising, on the one hand, a template (9) covering the supporting and heating plate (1), provided with first distinctive marks of the position of each of the tools (3) on the supporting and heating plate (1);
- b) removable positioning and clamping means (1a, 10, 11) for the template (9);
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- c) second markers (12b) of complementary shape to the first marks, provided on the upper surface of each of tools (3), the positions of which second markers correspond to the positions of the respective first marks of the template (9).