|Place of Origin:||Hebei China (Mainland)||Brand Name:||HJ bit||Model Number:||core drilling bits,all IADC code|
|Type:||Center Drill Bit||Material:||High Carbon Steel,Tungsten Carbide||Use:||Well Drilling|
|machine type:||forging||bearing type:||sealed journal bearing||certificate:||API,ISO|
|main market:||USA,Middle East,South Africa||size:||2 7/8"~26"||keyword:||core drilling bits|
|Packaging Detail:||wooden box|
|Delivery Detail:||Within 3 month|
core drilling bits
1.best quality for 6"~17 1/2".
3.high quality, best price
pdc drilling bits
Hejian Hengji Bit Manufacture Co.,Ltd
core drilling bits
Number of blade
Cutter size (mm)
Nozzle QTY Type
Junk slot area(in^2)
Weight on bit(KN)
Flow rate (lps)
Applications and features
Hard and compact formation with very high compressive strength .Formation grade covers 4 through 7. Motot or RSS application.
Six surved-bladed bit with medium parabolic profile and rear angle to drill from soft to medium hard formation.
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?
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?
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.