About product and suppliers: offers 9,202 drilling down the hole products. About 61% of these are mine drilling rig, 31% are mining machine parts, and 1% are drill bit.CEL760 2. CEL761 3. CEL762 4. CEL763 5. CEL801 6. CEL651 7. CES850 Title Finite Element Method in Geotechnical Engineering Underground Space Technology Special Topics in Rock Engineering Environmental Rock Engineering Advanced Rock Mechanics Rock Engineering* Indepenent Study L-T-P Credits 3 3 3 3 3 3 3200m depth Rock Drilling Machine / Air DTH water well bore hole drilling rig 200m depth Rock Drilling Machine / Air DTH water well bore hole drilling rig Product instruction 1.150M drilling depth water well drilling rig is lightweight, efficient, multi purpose drilling equipment, which can use air, foam or mud rotary for percussive drilling ...This water well drilling rigs mainly used for geothermal drilling, farm irrigation , house yard, gardens and water well drilling, drilling diameter ismm, and drilling depth ism. Drilling rigs also can be used in small building piling, like farmhouse or factory and so on, the drilling diameter can reach 500mm and depth can be more than 10m.