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Application filed by Jylhae Ollila Esa, Erkki RepofiledCriticalJylhae Ollila Esa
Priority to FI972735ApriorityCriticalpatent/FI108284B/en
Publication of FI972735A0publicationCriticalpatent/FI972735A0/en
Publication of FI972735ApublicationCriticalpatent/FI972735A/en
Application grantedgrantedCritical
Publication of FI108284BpublicationCriticalpatent/FI108284B/en
The invention relates to a drilling tool that can be attached to a power saw, for example, and by means of which cavities can be produced in wood, especially nesting holes for birds. The drilling tool comprises a body, a drill tip 1 and a drill thread part 7, which is enclosed by a cylindrical chip outlet tube 6. <IMAGE>