NC50 API thread gauge-NC50 Numbered Connections Ring Plug Gage

NC50 API thread gaugeNC50 Numbered Connections Ring Plug Gage

NC50 API thread gauge-ring plug gage (Rotary Shoulder Connection)

Numbered Connections API Spec 7-2 working/master gage (4 1/2″ IF interchangeable)

  • Type: NC / Numbered Connections
  • Thread Form: V-0.38R
  • TPI: 4
  • TPF: 2
  • Taper: 1:6

Each NC50 / Numbered Connections API thread gage 100% calibrated with quality assurance.

 NC50 (4 1/2″ IF) API thread gauge calibration certificate

If needed, one long form calibration certificate from professional third party testing lab can be supplied. These calibration certificates need extra cost, if clients need them,please tell in advance.

About us

We are a professional API thread gauges supplier, we can provide API Spec 5B thread gages (CSG, LCSG, BTC/BCSG, TBG/NUE, UP/EUE, LP), API Spec 7-2 thread gauges (NC, REG, FH, IF).

Worldwide shipment , usually taking 3-4 days clients can receive goods.

Check the full range of API thread gauges 

payment

We accept payment of T/T(bank transfer), Paypal, Credit Cards, and West Union etc.

NC50 API thread gaugeNC50 Numbered Connections Ring Plug Gage