API standard 27/8 Reg pin-41/2 Reg box crossover sub

Crossing Drilling Tools maintains a great reputation in the well drilling,construction, HDD (horizontal directional drilling) ,exploration, foundation,piling work,Construction ,water well, geothermal, mining, and oil & gas industries as a company that can provide dependability and high-quality products at excellent value.Our quality tools:Tricone bit ,PDC bit,Tricone Cutters(single rollers) for foundation,PDC reamers,Drag bits ,HDD hole openers/rock reamer,Step drag bit,chevron drag bit,PDC concave bit,Core bit,Stabilizer,HDD barrel reamer,HDD mud motor,HDD drill rod,Stabilizer.

Our custom-designed Tricone bit,PDC bit and HDD rock reamer are specifically designed and manufactured with directional drilling and horizontal drilling in mind. Our bits are extremely stable, durable and ‘directional’ friendly, which is of the utmost importance when trying to keep the bit in a thin wavering pay zone. It is this steerable bit technology, combined with high ROP, which gives Crossing an advantage in a highly competitive market.