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    Pipe Thread Gauge for Compliance Checks
    Production Equipment & OCTG
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    Pipe Thread Gauge for Compliance Checks

    > All thread inspection after production.

    > All thread gauges will be supplied with Calibration Certificate.

    > 100 % customer satisfaction for Quality and Reliability.

    > Suitable for many kinds of thread and pipes.

    > Good package suitable for international transportation.

    > Fast lead time and sometimes some commonly used thread may be in stock.

      Request a Quick Quote
      Brief Introduction
      Technical Specification

      API Thread Gauges are used for gaging API internal & external threads, manufactured according to API 5B, API 7-2 & API 11B standard, including working gages and master gages.

      API working thread gauges include plug gauge and ring gauge. All of our working gauges will be inspected by master gauges after production and corresponding Calibration Certificate will be provided together with thread gauges or separately couriered as clients’ request.

      Our thread gauges are mostly used to inspect thread of tubing, casing, drill pipe, drill collar, line pipe, sucker rod & polished rod, etc.

      The thread type includes: EUE/UPTBG, NUE/TBG, BTC/BCSG, STC/CSG, LTC/LCSG, REG, IF, FH, NC, LP, NPT, etc.

      Size Range: 2-3/8 ~ 20 in

      Thread: BTC, STC, LTC, EUE, NUE, NC, IF, FH, REG, PH-6, XT, HT-PAC, etc.

      Type: Heavy Duty or light

      Material: HDPE, steel, steel-plastic

      Color: Customized

      Application: To protect the thread and connection of casing, tubing, drill pipe during transportation and loading and unloading

      API Spec 5B (Plug Gauge & Ring Gauge)
      Normal Size Thread
      Applications From To TPI TPF
      Casing – Round 4 1/2 13 3/8 8 3/4
      Line Pipe 1/8 13 3/8 8-27 3/4
      Tubing – Non Upset 1.050 3 1/2 10 3/4
      4 4 1/2 8 3/4
      Tubing – External Upset 1.050 1.900 10 3/4
      2 3/8 4 1/2 8 3/4
      Tubing – Integral Joint 2 3/8 4 1/2 10 3/4
      Extreme Line Casing 5 7 5/8 6 1 1/2
      8 5/8 10 3/4 8 1 1/4

       

      API Spec 7-2 (Plug Gauge & Ring Gauge)
      Normal Size Thread
      Applications From To TPI TPF
      NC Connections NC 10 NC 16 6 1 1/2
      NC 23 NC 50 4 2
      NC 56 NC 77 4 3
      REG (Regular Rotary Shoulder Connections) 1 8 5/8 14-6 1 1/2, 2, 3
      FH (Full Hole) 3 1/2 6 5/8 4-5 2, 3
      IF (Internal Flush) 2 3/8 5 1/2 2 2

       

      API Spec 11B
      Normal Size Thread
      Applications From To TPI
      Sucker Rods P2-P8 & B2-B6 1/2 1 1/8 10
      Sucker Rods P1-P8 & B1-B6 1/2 1 1/8 10