API Thread Gages

Working Gages, Reference Master Gages, Regional Master Gages & Grand Master Gages.
API Specification 5B, API Specification 7-2, API Specification 11B, API Specification 11AX

Spec 5B Gages

Spec 7-2 Gages

Spec 11B Gages

Spec 11AX Gages

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