4 1/2 BTC / BCSG API thread gauge-Buttress Thread Casing ring plug gage

4 1/2 BTC / BCSG API thread gauge

4 1/2 BTC / BCSG API thread gauge-ring plug gage

Buttress Thread Casing 4 1/2″ API Spec 5B working/master gage

  • Type: BTC / BCSG
  • Size: 4 1/2
  • TPI: 5
  • TPF: 3/4
  • Taper: 1:16

Out Diameter: 114.71  Pitch Diameter: 113.132 L4=92.39  S=2.540+/-0.381

Each 4 1/2-5 BTC thread gage 100% calibrated with quality assurance.

BTC 4 1/2″ 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 BTC / BCSG API thread gauge4 1/2 BTC / BCSG API thread gauge