4 1/2 REG API thread gauge-REG 4 1/2″ API ring plug gage

4 1/2 REG API thread gaugeREG 4 1/2" API ring plug gage

4 1/2 REG API thread gauge-ring plug gage

Regular Rotary Shoulder Connection API Spec 7-2 working/master gage

  • Type: REG
  • Thread Form: V-0.040
  • TPI: 5
  • TPF: 3
  • Taper: 1:4

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

4 1/2 REG API thread gauge calibration certificate

If needed, one long form calibration certificate from professional third party testing lab can be supplied. 

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.

4 1/2 REG API thread gaugeREG 4 1/2" API ring plug gage