 Stabilizer We supply integral spiral blade stabilizer, integral straight-rib stabilizer, sleeve replaceable type stabilizer, float valve stabilizer, drilling reamer, unbalanced spiral blade stabilizer and variable-diameter stabilizer, all above products comply with API Spec.7. Integral 3-Spiral Blade Stabilizer, Integral 4-Spiral Blade Stabilizer (string type ,near bit type ). The working hardfacing surface (also called as wall contact )materials available separately are (1) carbide insert, (2) Inserted diamond compound, (3) Low temperature brazing tungsten carbide slug, (4) Surface bead welding abrasive welding rod, etc.  Material: AISI 4145H or AISI 4145H Modified Type: Spiral Interchangeable sleeve Length: 50"~90" Hole size range: 5 3/4"~36" Connection Thread: IF FH REG Harding facing: HF1000 HF2000 HF3000(TCI) HF4000 HF5000 HF6000 
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