tricone roller drill bit 9 5 inch オンライン製造

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... 続きを読む

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 ... 続きを読む

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... 続きを読む

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 ... 続きを読む

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 ... 続きを読む

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 ... 続きを読む

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 ... 続きを読む

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 ... 続きを読む

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 ... 続きを読む

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 ... 続きを読む