ApplicationGL-4000B crawler-type full-hydraulic drilling rig is a kind of multifunctional drilling rig designed and manufactured for jet grouting operation and anchor rod hole drilling. This downhole drilling can be used for the foundation consolidation of railway,Website:http://www.rejeedrilling.com, highway, abutment, and dam foundation; tunnel pipe-shed support, slope protection, anchor rod hole drilling, leaking stoppage, soft foundation treatment, geological disaster government, and jet grouting. The upright is slidable and meets the construction requirement of anchor rod. Drilling with casing tube could be completed by equipped with down hole hammer and overburden drilling system.Technical Data