tricone roller drill bit 9 5 inch ساخت آنلاین

High Quality 12 1/4inch IADC537 Tricone Rock Drilling Bits IADC Recommended parameters Applicable strata WOB KN/mm Rotating speed r/min 116,117 0.35-0.8 150-80 Extremely soft formations with high compressive ... ادامه مطلب

metal sealed bearing 6 inch 152mm tricone single roller core drill bit Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit Certification ISO & API ... ادامه مطلب

8.5inch single cone rock roller drill bit for rotary drilling Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit Certification ISO & API Material ... ادامه مطلب

China Power Factory Single Roller Cone Roller Cone Bit Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit Certification ISO & API Material Carbide ... ادامه مطلب

Steel Tooth Trcone Drill Bit 347mm 13 Inch JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten carbide insert, ... ادامه مطلب

100% New Good Quality 7.5inch IADC537 Tricone Roller Cone Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and ... ادامه مطلب

China Factory Iadc537 190.5mm 7.5inch Tricone Drill Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten ... ادامه مطلب

Factory Supply Directly 8.5inch 215.9mm IADC Tricone Drill Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and ... ادامه مطلب

iadc 617 dia 215.9mm 216mm 8.5 inch tci tricone roller rock drill bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and ... ادامه مطلب

Drill Bit Tricone Palm, Single Cone Drill Bit, Oil Well Drilling Rock Bit 8.5inch Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit Certification ... ادامه مطلب