IF 4 1/2 API thread gage-4 1/2″ IF (internal flush) API ring plug gage

IF 4 1/2 API thread gage4 1/2" IF (internal flush) API ring plug gage

IF 4 1/2 API thread gauge (NC50)-ring plug gage (box & pin) 

4 1/2″ IF (internal flush) API Spec 7-2 working gage

  • Type: IF (internal flush)
  • Thread Form: V-0.065
  • TPI: 4
  • T.P.F: 1:6
  • Pitch Diameter: 128.059
  • Standoff Tolerance:15.875+_0.100

Each IF 4 1/2 API thread gage 100% calibrated with quality assurance.

4 1/2″ IF (internal flush) 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.

FH 3 1/2 API thread gage4 1/2" IF (internal flush) API ring plug gage