12 1/4inch IADC127 Milled Tooth Bit For cone Drill Bit Factory Steel Tooth Bit Why Choose Us 1. how can we guarantee quality? Always a pre-production ...
Brand New 17 1/2" 444.5mm Milled Tooth Rotary Drill Bit for Oil and Water well Drilling Product Features: 1. Optimized design of bit contour and tooth ...
Sealed Roller Bearing Rock Bit 19 1/2"( 495mm) Steel Tooth Tricone Bit Manufacturer Supply Steel tooth tricone bit is suitable for soft to medium hard ...
114 mm IADC 127 Steel Tooth Tricone Bit We're Hebei Yichuan Drilling Equipment Manufacturing.,LTD First of all we want let you know that we are one of ...
114 mm IADC 127 Steel Tooth Tricone Bit We're Hebei Yichuan Drilling Equipment Manufacturing.,LTD First of all we want let you know that we are one of ...
8 1/2 inch IADC 127 Steel Tooth Tricone Bit How to choose a model IADC Rock formation WOB (KN/mm) PRM(r/min) 116/117 Low compressive strength, high .....