For installation or removal of thru-hulls that have two appropriate lugs in the passageway. The tool can be used to conveniently hold the bushings in place when tightening or loosening the locknut. The tool can also be inserted from the inside, so that a second person is not required to hold the thru-hull fitting from the outside during installation or removal.Material: galvanised steelImportant: The inside diameter of thru-hull fittings may differ due to material thickness and manufacture. To ensure that the tool can be inserted, the inside diameter of the diffuser must be known and correspond to the outside diameter D of the installation tool specified in the table.Suitable for these Toplicht's thru-hulls with the corresponding thread:Thru-hulls stainless steel: 1967-013, -019, -025, -032, -038, -0501962-013, -019, -025, -032, -038
Curved abutting face.Polished stainless steel, sea water proof, A4, 1.4401 = AISI 316.Thread type: BSPThread form: parallelThe thread sizes are nominal sizes, they do not indicate the thread diameter.
Through-hull with flat abutting, polished flange. For countersinking. With ring for earth connection for earthing.Stainless steel, sea water proof, A4-steel, 1.4401 = AISI 316.Thread type: BSPThread form: parallelThe thread sizes are nominal sizes, they do not indicate the thread diameter.
Thru-hull fitting with fixed strainer made of stainless steel.Cleanly machined fittings made of stainless steel (seawater and acid-resistant, A4, 1.4401 = AISI 316).Thread type: BSPThread form: parallelThe thread sizes are nominal sizes, they do not indicate the thread diameter.
Through-hull with curved, polished face, for countersinking. Supplied with ring for earth connection.Stainless steel, sea water proof, A4, 1.4401 = AISI 316.Thread type: BSPThread form: parallelThe thread sizes are nominal sizes, they do not indicate the thread diameter.
