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Application filed by Борис Михайлович ПресняковfiledCriticalБорис Михайлович Пресняков
Priority to UAU200508792UpriorityCriticalpatent/UA11527U/en
Publication of UA11527UpublicationCriticalpatent/UA11527U/en
An auger drill has a pipe on which a screw is winded, a tail element and a drill head. The screw winded on the pipe is arranged corresponding to respective following parameters: ; , and the strip of which the screw is made has different thickness increasing in direction towards the drill head. The drill head is equipped with at least one tooth and opener.
Protective tube, auxiliary tool, set comprising an auxiliary tool, a piece of protective tube, and a closing element, and arrangement comprising a protective tube supply and an auxiliary tool
Device for fastening of manifold to cylinder head, has manifold pipe and cylinder head with boreholes for fastening element whereby along slit-longitudinal edge is back of flange, which is slanted in wedge shape