Southwest Calibration provides precision Thread Gage Calibration for a wide range of plug and ring gages, including API thread gages used throughout the oil and gas industry. Our laboratory maintains API master gages in-house, allowing us to perform accurate measurements and verification in accordance with API Spec 5B and API Spec 7-2 without relying on external references.
All calibrations are performed in our ISO/IEC 17025 accredited laboratory, ensuring full traceability, documented measurement uncertainty, and compliance with rigorous quality standards. With decades of experience supporting manufacturers, machine shops, and oilfield service companies, Southwest Calibration delivers reliable calibration results and fast turnaround for critical thread gaging equipment.
Fast Turnaround
Most thread gage calibrations are completed within 7–10 business days. Expedited service may be available for critical production equipment.
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Precision Matters—Let’s Get Started
Do you have equipment that’s due for recalibration? Keep your tools accurate and reliable by scheduling a service with Southwest Calibration. Contact us today to discuss your calibration needs!
