api rotary tricone rock drill bit online manufacture

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 ... Read More

Power Factory 444.5mm IADC217 Caly Tooth Tricone 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 ... Read More

Trenchless Triangular Bit For HDD Hole Opener For Wells Product Description All of our hole openers and rock reamers can be equipped with a variety of tools to handle soft rock limestone or sandstone until hard ... Read More

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 ... Read More

JSBIT factory 17.5inch 444.5mm iadc 517 TCI tricone rock drill bit for hard rock drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone ... Read More

JSBIT factory 19inch iadc 537 TCI tricone rock drill bit for water/oil field JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... Read More

Manufcture wholesale 200mm 7 7/8 inch IADC 537 TCI tricone three core drill bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... Read More

Tricone drilling bit 151/2 inch 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 tungsten carbide ... Read More

TCI Bit Factory Wholesale 241mm Iadc 537 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 ... Read More

china 374.6mm IADC 127 mill tooth tricone drill bit for soft rock drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... Read More