Product details
HEBEI CROSSING DRILL BIT MANUFACTURE
Product description
PRODUCT SPECIFICATIONS |
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product name |
118mm CR221 steel tooth tricone bit |
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size |
118mm |
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model number |
CR221 |
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series |
CR |
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tooth type |
steel tooth |
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connection |
2 7/8" Reg PIN |
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bearing |
standard open bearing |
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Nozzle |
center jet nozzles |
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application |
water well,oil well,HDD,exploration,etc |
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weight |
16kg |
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certificate |
SY/T5164,ISO9001:2008 |
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RECOMMENDED ROCK FORMATIONS |
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meidum hard with relatively higher compressive strength and hard stringers,such as hard shale,sandstone and 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 |
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 |
RPM(r/min) |
150~80 |
150~70 |
120~60 |
90~50 |
80~45 |
75~45 |
Message
HEBEI CROSSING DRILL BIT MANUFACTURE