1)certified by ISO9001: 2008 2)Fast drilling rate 3)Strong cutting structure durability 4)be used for water well, oil field, underground, construction, geothermal, directional boring 5)Be used to drill low compressive strength, soft formation 6)various of model and dimension avaliable 7)Elastomer sealed bearing or metal-face sealed bearing 8)IADC: 127, 217, 227, 211, 437, 517, 637, 617 9)high quality and competitive price 10)including drill rods, drill collar, rerun steel tooth bits, used drill bits stock, used mud pumps, etc.Model 114-117, 127, 437, 517, 617, 637 Type Tricone bits, Steel tooth bits, PDC bits Appliable water well, oil field, construction, geothermal, directional boring, and underground foundation work Formation sticky, soft, medium hard, hard formation Bearing rubber seal or metal seal Packaging wooden box, steel box, or as your requirements Weight/ Volume (81/2' ' ) 38 KG/ 270mm*235mm*470mm MOQ 1 Piece Supply Ability 5000 Pieces/month Delievery Time within 7 days and according to the quantity
