The JBO Plug Gauge for UNF (STI) Right Hand, 2B, 7/16 x 20, Calibrated (DAkkS Calibration) is a precision measuring tool designed to verify the pitch diameter and fit of UNF Helicoil inserts. Manufactured and assessed to ANSI/ASME thread standards, this gauge helps ensure your UNF STI inserts seat correctly and perform reliably in critical assemblies across manufacturing, automotive, and aerospace applications.

Built for demanding shop environments, this calibrated plug gauge provides traceable, DAkkS-listed accuracy for quality-control records and audits, giving you confidence during inspections and supplier verifications.

• DAkkS-calibrated, traceable measurement: guarantees official calibration reference for your quality data and audit trails, reducing ambiguity in fit verification.
• UNF (STI) right-hand compatibility, 7/16 x 20 sizing: precisely tests pitch diameter and seating of UNF Helicoil inserts, enabling fast, confident acceptance decisions in production.
• Durable, user-friendly construction: robust metal body with a knurled grip and color-coded ends delivers long life in busy environments and quick orientation during setup.

Using the JBO Plug Gauge accelerates inspections, minimizes guesswork in insert seating, and helps you maintain consistent, reliable results across batches. Its durability and traceability support smooth QA workflows, reduced downtime, and increased confidence in every threaded-insert application.