The RT100T vario drill has a unique flute deisgn with a spiral flute with a rake angle of both 15 and 30 degrees.
The flute design ensures good cutting in the front section and shorter chip travel in the following section. In addition, the high surface quality of the flute offers low friction resistance. The RT 100T ALU vario evacuates the optimally formed chips efficiently from deep holes without problem.
So if you are looking to drill deep holes in aluminium the place an enquiry for this product.