Product information： Cooling type (internal cooling / external cooling) ： External cooling Texture of material ： high speed steel Model ： 5 sets 4, 5, 6, 8, 10, 7 sets 3, 4, 5, 6, 8, 10, 12, 5 sets 6, 6, 8, 10, 12 Series ： Ceramic tile glass Packing list: triangular drill * 1
Description
Product information： Cooling type (internal cooling / external cooling) ： External cooling Texture of material ： high speed steel Model ： 5 sets 4, 5, 6, 8, 10, 7 sets 3, 4, 5, 6, 8, 10, 12, 5 sets 6, 6, 8, 10, 12 Series ： Ceramic tile glass Packing list: triangular drill * 1