This right angle adapter, (575), made cutting easier. IMO. The Dremel blades are slightly smaller. These Dremel tools are small motor, light duty, at best, IMO. You would find these cutting blades, may be, a bit more than the Dremel was designed for. It will overheat.
426, 426B (1 1/4" cutters), 456 (1 1/2" cutter) Requires 402 mandrel.