api rotary tricone rock drill bit ساخت آنلاین

China API 171.5mm Chisel Tricone Rotary Rock Bit Drilling Tools/equipment JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth ... ادامه مطلب

Strong Brand Factory Wholesale 97/8inch 9.5inch IADC 637 Tricone 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 ... ادامه مطلب

wholesale 171/2" inch 17.5"inch iadc 217 steel teeth tricone rock drill bit for clay Product Description JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and ... ادامه مطلب

High Quality IADC517 26inch 660mm Tricone 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 tungsten ... ادامه مطلب

High Quality 8 1/2inch IADC537 216mm Tci Tricone 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

Factory Supply Directly 215.9mm 8inch IADC537 Tricone Rock Drilling Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth ... ادامه مطلب

Factory 241mm IADC217 mill tooth tricone rock drilling 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 444.5mm 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 ... ادامه مطلب

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

9 5/8 inch 244.5mm iadc737 air bearing type tricone 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