api 8 1\2'(215.9mm) rotary drilling rig

api 8 1\2'(215.9mm) rotary drilling rig

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: FISTBIT
  • Model Number: IADC517
  • Type: tricone drill bit
  • Material: Tungsten Carbide
  • Use: Well Drilling
  • Bearing Type: metal sealed journal bearing
  • Payment Term: T/ T&L/ C
  • Color: various
  • Certification: API&ISO
  • Processing type: Forging
  • MOQ: 1 pcs
  • Quality: high

Packaging & Delivery

Packaging Details: wooden box; steel box; or as your requirements
Delivery Detail: within 7-15 days after conform orde


1 high quality and inexpensive
2 meet with API&ISO
3 timely delivery
4 covered almost IADC code numbers
5 more inventory

1, Structure features:

1. Rolling seal bearing structure, cylindrical roller cone in slots in the body, increasing the shaft neck size.

2. Thrust bearing vice respectively by grinding surface treatment and hardening process.

3. The differential pressure and prevent drilling fluid restrictions in the lubricating system all rubber oil storage sac, for bearing system provides good lubrication guarantee.

4. Steel ball lock die, suitable for the high speed.

5. The 250 ° C high temperature resistance, abrasion resistance of new grease.

Product advantage:

GA series bit for O form rubber sealing roller bearing drill bits; low pressure for the high speed drilling drilling; it is an ideal and economic tools

2, details pictures:


4, Certificate:

5, we can provide more size

Steel tooth


111, 121131



216217, 227



415435, 417437

515525535545, 517527537547

615625635; ; 617627637737


6, Transport

7, Payment terms

T/ T and L/ C are acceptable. (30% advanced payment after sign the contranct , then 70% payment after see the B/ L)

8, contact person

Its our pleasure to serve for you , we will be grateful if you could give us more good suggestions!