6" inch non-sealed bearing drill bits

ejian Huanyu Petroleum Machinery Co., Ltd. Was established in 1998,located in Hejian which is in the middle of Cangzhou city,and enjoys good location and convenient transportation.Huanyu specializes in Tricone Bits,PDC bits,Drill rods,drill collars,engineering bits,stabilizers, for water well ,oilfield,construction and underground foundation work all over the world.All of our products are in accord with API and ISO standards.

Huanyu is registered with 3 million RMB capital, possesses over 180mu area and 70 various manufacturing equipment.Our company has 290 employees, including three professors, 12 senior engineers and 37 intermediate technicians. Advanced technology and equipment, excellent technicians, and scientific management will guarantee our products have superior quality, highly competitive prices and speedy delivery.Huanyu products not only won the trust of domestic clients, but also are exported to USA,Middle East,South Africa, etc.

Model	TCI BIT, STEEL TOOTH BIT
	116 117 12 6127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347
	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 536535
available sizes:	From 2 7/8 to 26" larger sizes for hole opener bit ,reamer bit
advantage	most favourable price and best qualtity
bearing type:	sealed bearing and non-sealed bearing HJ(metal sealed journal bearing) HA (rubber sealed journal bearing aircooled bearing type
Formation or layer	soft ,medium soft ,hard,medium hard,very hard formation
Button size (extra features)	Button bit,saw teeth 1) Y-Conical teeth 2) X-chisel teeth 3)K- wide teeth 4)G- Gague protection
Material	Alloy steel ,carbide
Packing	Wooden case or steel case
Payment terms	T/T,L/C,Western union
Delivery terms	By sea or by air
Delivery time	Within 3 to 7 days
Market	Canada, USA,Middle east ,Africa,Europe