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12 1/2 Rotary Drill Guide Triangle Bit, 36 "For Openers Product Description Directional drilling, often referred to as horizontal directional drilling or HDD, is a steerable trenchless method of installing ... और अधिक पढ़ें

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 available in new and used tricone bits , steel tooth and ... और अधिक पढ़ें

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 opener roller bit Certification ISO & API Material Carbide ... और अधिक पढ़ें

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 opener roller bit Certification ISO & API Material Carbide ... और अधिक पढ़ें

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 opener roller bit Certification ISO & API Material Carbide ... और अधिक पढ़ें

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/ hole opener roller bit Certification ISO & API Material ... और अधिक पढ़ें

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/ hole opener roller bit Certification ISO & API Material ... और अधिक पढ़ें

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 ... और अधिक पढ़ें

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 opener roller bit Certification ISO & API Material Carbide ... और अधिक पढ़ें

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/ hole opener roller bit Certification ISO & API Material ... और अधिक पढ़ें