8-3/4" Tri cone bits, 222mm TCI tricone bits, hard rock drill bits

TCI Tricone Rock Drill Bits:

The TCI Tricone bits drilling for medium to hard rock formation.

The mediium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.

The hard formation TCI tricone bits can be used to drill hard and abrasive formation. Wear resistance tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life.

Milled tooth Tricone Rock Drill Bits:

The milled tooth (steel tooth) tricone bits drilling for soft to medium rock formation.

The soft formation milled tooth tricone bits are used to drill low compressive strength, soft formation. Long projection tooth lengths are used on high offset cones to provide the greatest penetrations rates possible. Wear resistance hard facing is used to control tooth wear. On the softest bit types this hard facing completely covers the bit teeth.

The medium formation milled tooth tricone bits are used to drill high compressive strength, medium rock formation. Shoot projection teeth with reduced crest length are used in this series of bit designs. Durable hard facing is applied to reduce tooth wear.

8-3/4" TCI Tricone Bit:

Product: TCI Tricone bit.

Size: 8-3/4" (222mm)

Thread connect: 4-1/2" API Reg pin

Formation: Medium to hard rock formation

Application: water well, oil well, ore well drilling

Gauge protection: With

Color: Blue, Golden, Silvery

Availability type: Milled tooth tricone bit

                                TCI tricone bit

 TCI Tricone Bit Picture:

 Milled Tooth Tricone Bit Picture:

Produce The Bearing Parts:

Threaded:

Before Painting:

Final Tricone Bit:

Packaging & Shipping:

Packaging: In wooden case or In iron case.

Shipping: Less than 2 set by express (DHL, UPS, TNT, FedEx, EMS) or by your choose.

                             Less than 5 set by Air or by your choose.

                             More than 10 set by Sea or by your choose.

 Payment:

FAQ:

Q: What's your delivery time?

A: Commonly produce need 20 days to produce. Within 3 days if in stock.

Q: What methods of payment are accepted?

A: We agree T/T, L/C, West Union, One touch, Alipay, Money Gram, Paypal.

Q: What about the shipment?

A: Based on order quantity. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your chinese agent.

Q: How to control the quality?

A: We should be checking & testing everyone drill bit before shipment.

Q: Do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality.

Q: Can we select the color of the drill bit?

A: Yes, we have the color of bule, golden, silvery for your choose. If you need, we can make the drill bit color based on yours.

Q: Do you have after-sale service and warranty service?

A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.

Q: Can i trust your company?

A: Our company has been certificated by chinese government, and verified by Alibaba Trade Assurance, 100% refund of the Trade Assurance Amount. Alibaba can guarantee all of your payment, Just order from US!!!

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