Tungsten saw blades allow easy drilling of holes in most materials, e.g. in masonry, bricks, ceramics, aerated concrete and hollow blocks._x000D_They are also suitable for holes in particle board, plasterboard, plastics, etc._x000D_Core jigsaws should be drilled without impact with speed drills._x000D_The maximum rotation speed of the drill must not exceed 1500 rpm._x000D_Use water cooling when drilling holes in hard materials._x000D_Tungsten holes are delivered individually.