10 3/4 BTC / BCSG API thread gauge-Buttress Thread Casing ring plug gage

10 3/4 BTC / BCSG API thread gauge

10 3/4 BTC / BCSG API thread gauge-ring plug gage

Buttress Thread Casing 10 3/4″ API Spec 5B working/master gage

  • Type: BTC / BCSG
  • Size: 10 3/4
  • TPI: 5
  • TPF: 3/4
  • Taper: 1:16

Out Diameter: 273.46  Pitch Diameter: 271.882  L4=114.62  S=5.080+/-0.381

Each 10 3/4 BTC thread gage 100% calibrated with quality assurance.

BTC 10 3/4″ 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 


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

10 3/4 BTC / BCSG API thread gauge10 3/4 BTC / BCSG API thread gauge