2012 hitsell 8 1\2' diamond core bits\drill bits

2012 hitsell 8 1\2' diamond core bits\drill bits

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Fistbit
  • Model Number: core bit
  • Type: Core Drill Bit
  • Material: Diamond
  • Use: Well Drilling
  • Certificaton: API&ISO
  • Quality: High
  • Size: As your requirement
  • Processing: Forging
  • Newest or Used: As your requirement

Packaging & Delivery

Packaging Details: wooden box; steel box; or as your order
Delivery Detail: within 7 work days after your order


1) Certified by ISO9001&API
2) Fast drilling rate
3) Strong cutting structure durability
4) Resonable price
5) 8 1/2

Hejian Fist Petroleum Equipment Co., Ltd we have been in 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.

• Our diamond bits named Fistbit.

• Which sizes ranging from 3 to 17-1/2 .

• All the products have been awarded the API & ISO9001 certificate.

• Double cone crown profile, adoping medium size natural diamond, high cutter density.

• Collected groove or face discharge fluid courses is optional

• Applicable for medium to hard formations

1) Specifications

2) Features:

1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on bit is balanced that resulting better stablity of the bit.

2 . Main cutter is high performance PDC cutter to insure service life of the bit while improving ROP.

3 . Cutter exposure is optimized to insure the bit can achieve higher ROP is soft to medium formations.

4 . Shock absorbers are designed to make the bit capable of drilling through formations with hard strigers.

5 . Hydraulic systems of the bit is optimized using dynamic flow pattern simulation technology enhance cleaning and cooling effects of the bit to effectively prevent bit from balling.

3) Main products

size: 5 1/2; 6 1/27 7/8; 8 1/2; 8 3/4; 10 5/8; 12 1/4 ; 13 3/4 ; 17 1/2; 22; 24; 26 and so on

blades: 2, 3; 4; 5; 6; 7; 8

IADC: M223; M322; M316; M222; M416; M122 and so on

4) Packing Information:


6) Certification

7) FAQ (Frequently Asked Questions)

• 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.
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.

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.

8) Plz add these informations in you inquiry

1, bits size

2, bits IADC CODE

3, layer information

4, bits quantity

Contact me now!

It will be our great honour to make satisfications to every client that comes to ask for products from us!

We will also be very glad if you give us more good suggestions!