IADC Code:417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535
available sizes:From 3 3/4'' to 26" or assemble bits
larger sizes for hole opener bit ,reamer bit
Formation or layer: soft ,medium soft ,hard,medium hard,very hard formation
Application:petroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, oritented drilling, and other underground foundation work
Cutting Structure :The durability of premium
tungsten carbide insert is improved with new formulas and new techniques and new techniques.
Gauge Structure :Gauge protection with gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability.
our company introduction:
We are Hejian Tengda Petroleum Supplies Co., Ltd. We expertize in manufacturing and exporting rock drill bits and
PDC drill bits for water well, oil field, construction, geothermal and underground foundation work all over the world. Our purpose is to sell the best quality products at the lowest possible price.
In addition, we also sell and buy scrap bits.
the main product we manufacture
