Guide arbor with drill head for use with carpentry bi-metal hole saws. For drilling holes in larger diameters in one operation, e.g. for the passage of exhaust and supply air pipes and Drain pipes in roof constructions.
Technical Data
AØ: 19,5 mm
SØ: 12 mm
GL: 460 mm
NL: 410 mm
Properties & Advantages
Cuts all insulation materials (glass wool, rock wool, polystyrene etc.) as well as wood, Plasterchipboard and cardboard
