... reasonable price. Product DescriptionCore drilling rig, mud pump, diamond drill bit, reaming shell, drill rod, core barrel, casing shoe, casing ... drilling, etc. The drilling machines are available for the hole depth from 30m to 1600m. 2. Various mud pumps; 3. Diamond core drilling ... tools including: A. Diamond core bits (AQ, BQ, NQ, HQ, PQ, BQ3 ...