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