In China
In the world

WOLFNI is a trusted brand.
WOLFNI has been recognized by
more and more users.
Read more...
high-quality wear-
resistant materials

The main body of the bit is made of
high quality steel, the blade surface
is welded with high performance
wear-resistant materials to prevent
the erosion of the base material.
Read more...
Value,Crafts,
Quality,Goodwill

We have strict quality control testing
procedures for every drill bit,only
products that meet the requirements
will be handed over to the customers.
Read more...
Win-win cooperation
innovation

Our main target is to work hand in
hand(win to win)to support our
partner growth and success.
Read more...
Platform business
market expansion

Creating Global Energy Internet Platform
Linking the Word with Professional Service.
Read more...

Email:wfn100@wolfni.com
emma@wolfni.com
phoebe@wolfni.com
Ailsa@wolfni.com

Tel:+86 28 84812280

Fax:+86 28 84833319

QQ:494800536

Skype:emma.wolfni
wolfni06
wolfni07

WeChat:13982068792

Address:About 30 minutes to Chengdu International Airport

HOME >Wolfni News >wolfni Oil Tools Sales Trend

Tcicone bit 9 7/8"WK645(251.00mm) IADC:645 Roller bit ID:WFN021

Tcicone bit9 7/8"WK645(251.00mm)IADC:645

Contact information:

All sizes and IADC codes of drill bits are available.Special requirements of different models can be customized.If you need,please feel free to contact me,will provide you the best price!

IADC:645
ID:WFN021
DATE:June.2016
Design Specifications
 O-ring sealed journal bearing	Journal bearing structure with head bearing hardfaced and cone bearing silver plated to improve load capacity and anti-galling ability of the bearing. More wear and high-temperature resistant highly s
 Cutting structure	Hardfaced gage and tooth surfaces.
 Hardfacing on shirttail	This feature can provide better protection for seal and bearing to extend the bit’s service life.
Technical specifications:
IADC Code:	645
Weight:	90 KG
Package:	35×39×52 cm

Operating Parameters

Recommended operating parameters:
	Bit Pressure: 0.4 ~ 0.85 KN
	Rotary Speed: 60 ~ 180 r/min
	Pumping Pressure: 8 ~ 18 Mpa
	Sediment Concentration: < 0.5%
The above parameters are only for reference. Optimized parameters are determined by drilling process and lithology of formations on site.

Tcicone bit 9 7/8"WK645(251.00mm) IADC:645 Roller bit ID:WFN021 | Contact information: All sizes and IADC codes of drill bits are available.Special requirements of different models can be customized.If you need,please feel free to contact me,will provide you the best price! |

Tcicone bit9 7/8"WK645(251.00mm)IADC:645_2_wolfni

Tcicone bit9 7/8"WK645(251.00mm)IADC:645_wolfni_3

Tcicone bit9 7/8"WK645(251.00mm)IADC:645|Cutting structure:Hardfaced gage and tooth surfaces.|

Email to this supplier

To:	WOLFNI
*Name:
*Email Address:
*Message: