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Lisa C
lisa.c@crossingbit.com
Candy Qian
candy@crossingbit.com
whatsapp:0086-15128736973
Nicole Liu
crossingbit1@163.com
Abby Hu
sales@crossingbit.com
whatsapp:0086-15032448780
Copyright © 2017 Hebei Crossing Drill Bit Manufacture Co.,LTD. All rights reserved. 冀ICP备17080623号 300.cn
PRODUCTS
Product details
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PRODUCT SPECIFICATIONS |
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product name |
17 1/2 inch CR537 TCI tricone bit |
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size |
17 1/2 inch,444.5mm |
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model number |
CR537 |
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series |
CR |
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tooth type |
TCI |
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connection |
7 5/8" Reg pin |
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bearing |
rubber sealed journal bearing |
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Nozzle |
three jet nozzles |
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application |
water well,oil well,HDD,exploration,etc |
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weight |
250kg |
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certificate |
A 7-1 SY/T5164,ISO9001:2008 |
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RECOMMENDED ROCK FORMATION |
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medium soft with low compressive strength and harder abrasive stringers,such as shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc. |
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RECOMMENDED DRILLING PARAMETERS FOR APPLICATION |
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Type&IADC code |
417 |
437 |
447 |
517,527 |
537,547 |
617,627 |
637,647 |
737,837 |
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WOB(KN/mm) |
0.35~0.90 |
0.35~0.95 |
0.35~1.00 |
0.35~1.05 |
0.35~1.05 |
0.35~1.05 |
0.70~1.20 |
0.70~1.20 |
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RPM(r/min) |
140~70 |
140~60 |
140~60 |
120~50 |
110~40 |
80~40 |
70~40 |
70~40 |
Contact:
Email:sales@crossingbit.com
Tel(whatsapp):0086-15032448780