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Reduced Section Sub

Application:Directional well drilling

Features:Rotary Sub

Material:AISI steel

Standard: API & ISO

Warranty:3 months

Usage: 300Hrs



ROTATE Rotary Subs are made from AISI 4145H modified quenched and tempered material.

In addition, it is designed and manufactured according to API specifications as well as with API monogram. They can be used to crossover from connection size to another or as a disposable component used to extend the connection life of a more expensive drill stem member.

Virtually any type of sub can be manufactured to customer specifications.

Reduced Section Sub is used to connect drill stem parts that have different diameters. This sub can be used to crossover large OD drilling tools or a tapered drill collar string.

Contact us

  • Phone:+86 136 5615 1221
  • Email:director@tcbearings.com
  • Add:Tianjin,China

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