6 1/2 TDHA447 tricone bit for oil mine cutting tools machine
Tricone rock bit
1Petroleum drilling
2. Long service time
3. Best price and high quality
4. We can provide the sample we can provide help any time



Cutting Structure: The durability of tungsten carbide inserts bits are improved with new formulas and new techniques for insert bit.

Gauge Structure: Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Sealed Bearing Structure
1. Abrasion resistance and seizure resistance of the bearing are improved and suitable for high rotary speed.
2. The advanced metal seal package will improve the reliability and durability of bearing seal.
Main Type Available Size: 6", 6 1/2", 7 1/2", 8 1/2", 9 1/2", 9 5/8", 9 7/8", 12 1/4", 17 1/2", etc.
IADC Code: 4-- Series, 5-- Series, 6-- Series, etc.
Product details:
Operation process:
If you are intrested in our products,feel free to contact me:
Our products aremainly exported to the Middle East, Europe, Russia, America and some otherareas, we can ensure our drill bit are totaly new, we will provide 3 yearswarranty year and technical services. I know that our price is not the lowest,but we can ensure the quality, there are some malicious competition in ourindustry, they low the prices on purpose,Or when you recieved the goods,you findthe bits are renovated,it just don't work.In fact, many of them are scalpers,they sell the used drill bit as a totally new one in the lowerprice.