The drill cutter includes a Munon, a cartridge case and several cleaners to clear debris between Munon and the shell. The cleaner forms a slope on the Munon axis in Angulo and forms a circular spacing on one of the sponge surfaces. Between them and between them.

摘要

Replaceable Cutter Assembly, to drill the Earth through a training that includes a Core, a Shell and a Plurality of mounting Cleaners; Cutter which comprises a Stump,Casing Cutter and a First Cleanser to remove Fragments placed between the Stump and the carcasa.c