Customization: | Available |
---|---|
Customized: | Customized |
Standard: | API |
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HENGJI BIT SPECIFICATION | |
Bit Size | 15 1/2''(393.7mm) |
IADC Code | 637 |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection | 7 5/8 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle | three jet nozzles |
Rotary Speed(rpm) | 80~40 |
Weight on Bit(KN/MM) | 0.5~1.2 |
Application | water well,oil well,HDD,exploration,etc |
Formation | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
IADC | WOB (KN/mm) |
RPM (r/min) |
Applicable Formations |
417/437/ 447/415/435 |
0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc. |
517/527/515 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
537/547/535 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. |
617/615 | 0.45~1.1 | 90~50 | Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc |
637/635 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
Packaging |
Wood Box Fumigation Tray if necessary Other special package can be applied according to customer's need |
Delivery |
Prepared to deliver within 1 week, if in stock Depends on order quantity, when out of stock Transportation:By sea or air |
FAQ
1. Is your company a distributor or a manufacturer?
A: Yes,We are a a professional factory of rock drilling bits in China.
2. How about your products?
A : All our activities are accredited to ISO 9001:2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.We have many high quality prducts (https://hb-bits.en.made-in-china.com/) .
3.what is the Packaging & Delivery?
A:We used high quality export carton or standard export woodern case
4.what is the time about the delivery?
A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air
5. How to order the products?
A: 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.
6.What is the website about your factory?
A:Our website is: https://hb-bits.en.made-in-china.com/