For drilling large diameter holes in one workstep e.g. the lead through of flue pipes and incoming air pipes in roof constructions. This high quality hole saw cuts all sorts of insulating materials (fibreglass, rockwool, styrofoam etc.) as well as wood/chipboards and gypsum plaster boards
FAMAG Hole saw for carpentry. Special holesaw bi-metal with variable pitch of teeth. The teeth HSS are welded on the cylindrical carrier which has a usable length of 300 mm. Incl. Exchangeable hexagon shank (SW 12). Please order separately guiding spike and drill head
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