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