Junk Subs

Transport Package: Sea Transportation
Specification: 31/8"--91/2"
Trademark: tianhe
Origin: China
Customization:

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Gold Member Since 2009

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Manufacturer/Factory & Trading Company

Basic Info.

HS Code
8431431
Production Capacity
5000

Product Description

During drilling process, LB type Junk Sub is applied mainly for fishing of shivers and fallen objects such as carbide tooth, drill bit and bearing which can not be carried out of hole by conventional fluid circulation, etc. It possesses important functions to keep hole toe cleaning, increase bit service life, reduce and prevent drill bit from unexpected damage. The tools are available with all sizes and super performance.
Type Hole Size (mm) Thread Conn. I. D. (mm) O. D. (mm)
LB94 108~117.5 2 3/8 REG 19 94
LB102 117.5~124 2 7/8 REG 32 102
LB114 130~149 3 1/2 REG 38 114
LB127 152.4~162 3 1/2 REG 38 127
LB140 165~190.5 3 1/2 REG 38 140
LB168 190.5~216 4 1/2 REG 57 168
LB178 219~244.5 4 1/2 REG 57 178
LB190 229~273 4 1/2 REG 57 190
LB197 235~279.5 4 1/2 IF 70 197
LB219 244~295 6 5/8 REG 76 219
LB229 254~305 6 5/8 REG 76 229
LB245 292~330 6 5/8 REG 76 245
LB280 330~375 7 5/8 REG 76 280
LB311 327~375 7 5/8 REG 76 311
LB327 375~444.5 7 5/8 REG 76 327
LB340 386~456 7 5/8 REG 76 340

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Gold Member Since 2009

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Manufacturer/Factory & Trading Company
Number of Employees
226
Year of Establishment
2006-07-11