8 1\2' kingdream rock bit

800-850 USD

Quick Details

Place of Origin: Hebei, China (Mainland)
Brand Name: Fist bit
Model Number: tricone bit
Type: IADC code 537G
Material: Tungsten Carbide, tungsten carbide
Use: well drilling; oil field
colour: blue/ yellow/ golden
bearing: metal sealed bearing; rubber sealed bearing
Certificate: API or ISO 9001
bit size: 8 1/2 2159mm
bit price: FOB 800$/ pcs
Bit IADC code: Bit IADC code 537
payment term: TT/ L/ C
delivery term: shipping/ air
diacount: mainland delivery is free charge

Packaging & Delivery

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

Specifications

1-Bit API or ISO 9001
2-Bit size 8 1/2 2159mm
3-Bit rubber&metal bearing
4-Bit 800$ -850$/ pcs
5-Bit IADC code437G-737G

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