Drill Bits, Power Tools
Description
Integral 3-spiral blade stabilizer, integral 4-spiral blade stabilizer(string, near bit type). The working hardfacing surface materials available seperately are:
(1)Carbide insert,
(2)Inserted diamond compound,
(3)Low temperature brazing tungsten carbide slug,
(4)Surface bead welding abrasive welding rod, etc.
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TIANHE PETROLEUM MACHINERY CO.,
drill collar
Address: NO.43 West Diming Street,
Mudanjiang, Heilongjiang
China, 157011
Tel: 86-453-6532609-8311
Fax: 86-453-6531608
