Factory sealed 8 1/2" drill bit/second hand roller cone bit for oil well drilling
1.Product name:second hand roller cone bit/ 8 1/2" drill bit
6.Delivery time:5-7days after receiving the deposit
7.Packing:Wooden case,iron box or as your requirements.
2.full sizes and types:
417 427 437 517 527 537 617 627 637
737 837 832 415 425 435 445 525 625
635 416 427 436 446 447 516 526 536
535 537 547
From 2 7/8” to 26”
Larger sizes for hole opener bit,reamer bit
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 bit,saw steel
1) Y-Conical teeth
2) X- chisel teeth
3) K- wide teeth
4) G- Gauge protection
By sea or by air
Petroleum & gas,water well, mining and tectonic industries,oil field,
and underground foundation work
fumigation free of wooden case
(30% downpayment and 70%balance before shipping.)
within 7-15 work days
Canada USA Middle east Africa Europe
4.Packing:wooden case or as your requirements
Transportation:by sea, by air or as your requirements
5.Welcome to our factory to refer to the inspection cooperation negotiations,and work
together to create a brilliant future.
I'm sure you'll be pleased with our products with competitive price and high quality.Looking forward to your inquiry as soon as possible.
6.The following is our contact information:
If you want to know our product,please kindly contact me.
I will provide you all the information what you want to know.