steel tooth tricone drill bit tungsten carbide321 roller rock bit

steel tooth tricone drill bit tungsten carbide321 roller rock bit

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Kingdream
  • Model Number: 321
  • Type: tricone bit
  • Material: Tungsten Carbide
  • Use: Well Drilling

Packaging & Delivery

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


1. API&ISO 9001
2. IADC321
3. rubber or metal sealed bearing
4. reasonable price and more inventory
5. use: well and oil drilling

Hejian Fist Petroleum Equipment CO., Ltd. We have been in this line with the principle of faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers'. We are looking forward to establishing relationships with you in the near future.

1. About the Tricone bit

1) certified by ISO9001&API

2) Fast drilling rate

3) Strong cutting structure durability

4) be used for water well; oil field; underground; construction; geothermal; directional boring

5) Be used to drill low compressive strength, soft formation

6) various of model and dimension avaliable

7) rubber seal or metal seal

8) IADC: HJ417437447517537547637617etc

9) high quality and competitive price

10) including drill rods; drill collar; rerun steel tooth bits; ; used drill bits stock; used mud pumps; etc

2) Specifications for tricone bit


6-17 1/2 (inch)


tricone bits; steel tooth bits; PDC bits


water well, oil field, construction, geothermal, directional boring, and underground foundation work.


stick, soft medium hard hard formation


rubber seal or metal seal


wooden box, steel box or as your requirement

Payment Term

T/ T or L/ C at sight


1 piece

Supply Ability

1000 pieces/ month

Delivery Time

within 7 work days

3. Payment terms

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

4. Products Details

5. Packing: wooden box, steel box or as your requirements

6, size and model we can provide

60mm; 65mm; 76mm; 93mm; 95mm; 98mm (3 7/8') ,101.6mm, 114mm, 118mm, 120mm, 127mm (5')

130.1mm (5 1/8') ,133.3mm (5 1/4') ,139.7mm (5 1/2') ,142.8mm (5 5/8') ,149.2mm (5 7/8')

152.4mm (6') ,155.5mm (6 1/8') ,158.7mm (6 1/4') ,161.9mm (6 3/8') ,165.1mm (6 1/2')

190.5mm (7 1/2') ,193.6mm (7 5/8') ,200.0mm (7 7/8')

212.7mm (8 3/8') ,215.9mm (8 1/2') ,222.2mm8 3/4')

241.3 (9 1/2') ,244.4 (9 5/8') ,250.8 (9 7/8')

269.8 (10 5/8') ,295.3 (11 5/8')

311.1 (12 1/4') ,346.0 (13 5/8') ,349.2 (13 3/4')

374.6 (14 3/4')

381 (15') ,393.7 (15 1/2') ,406.4 (16')

444.5 (17 1/2') ,508 (20') ,558 (22') ,609.6 (24')

660.4 (26')

7. API Certificate

8. Transportation

9. Payment terms

T/ T and L/ C are acceptable. (30% advanced payment after sign the contract, then 70% payment after see the B/ L) .Free charge for mainland delivery!

10. Plz add these informations in your Inquiry

1, bits size

2, bits IADC code

3, layer information

4, bits quantity

11.FAQ (Frequently Asked Questions)

1) How to order the products?

Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2) About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.

3) Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001: 2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

12. For futher details and inquiry please contact me

It's our honour to be service with you!

We will be glad if you can give us good suggestions!!