Product details
HEBEI CROSSING DRILL BIT MANUFACTURE
Product description
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PRODUCT SPECIFICATIONS |
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product name |
8 1/2 inch CR437 TCI tricone bit |
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size |
215.9mm |
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model number |
CR437 |
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series |
CR |
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tooth type |
TCI |
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connection |
4 1/2" Reg pin |
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bearing |
rubber sealed roller 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 |
48kg |
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certificate |
SY/T5164,ISO9001:2008 |
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RECOMMENDED ROCK FORMATIONS |
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very soft with low compressive strength,such as shale,clay,sandstone and soft limestone,etc. |
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RECOMMENDED DRILLING PARAMETERS FOR APPLICATION |
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Type&IADC code |
116,117 |
126,127 |
136,137 |
216,217 |
317 |
337 |
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WOB(KN/mm) |
0.35~0.90 |
0.35~1.00 |
0.35~1.05 |
0.35~1.2 |
0.7~1.30 |
0.80~1.40 |
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RPM(r/min) |
150~80 |
150~70 |
120~60 |
90~50 |
80~45 |
75~45 |
Message
HEBEI CROSSING DRILL BIT MANUFACTURE
Hebei Crossing Drill Bit Manufacture Co.,LTD
Abby Hu
sales@crossingbit.com
whatsapp:0086-15032448780
Lisa C
lisa.c@crossingbit.com
Candy Qian
candy@crossingbit.com
whatsapp:0086-15128736973
Nicole Liu
crossingbit1@163.com
Copyright © 2017 Hebei Crossing Drill Bit Manufacture Co.,LTD. All rights reserved.