PMC Lone Star has manufactured thread gages for over half a century. They meet and exceed A.P.I. specifications and are used as benchmark for calibration by the N.I.S.T.

Click the links below to choose your Product.

Standard API Gages

API Spec 5B Gages

API Buttress Casing Gages

API Spec 5B Gages

API Line Pipe Gages

API Spec 5B Gages

Beco Rings and Plugs

API Tubing Gages

API Spec 5B Gages

API Regular Rotary Shouldered Connection Gages

API Spec 7 Gages

API Numbered Connections Gages

API Spec 7 Gages

API Internal Flush Gages

API Spec 7 Gages

API Full Hole Gages

API Spec 7 Gages

API Extreme Line Casing Gages

API Spec 5B Gages

Improved Buttress Tubing Gages

Special Gages