well drilling hdd hole openers 온라인 제조

12 1/2 Rotary Drill Guide Triangle Bit, 36 "For Openers Product Description Directional drilling, often referred to as horizontal directional drilling ... 자세히보기

12 1/4 Inch 537 Insert Triangle Bit/For Mining/For Well Drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are ... 자세히보기

Power Factory Roller Cone Drill Bit Single Roller Cone Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole ... 자세히보기

China Power Factory Single Roller Cone Drill Bit Cutter Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole ... 자세히보기

Power Factory Single Roller Cone Drill Bit Cutter Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole ... 자세히보기

9 1/2inch metal bearing single roller cone drill bit cutter Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ ... 자세히보기

single roller cone drill bit cutter metal bearing 9.5inch Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ ... 자세히보기

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... 자세히보기

Solidkey 8.5inch Roller Cone Cutter Rock Drill Bit Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole ... 자세히보기

8.5inch single roller cone cutter bit for foundation drilling Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool... 자세히보기