The JBO UNF (STI) Helicoil Plug Gauge is a precision measurement tool designed to verify UNF 1/2 x 20 threaded Helicoil inserts (STIs). It’s ideal for manufacturing, automotive, and aerospace quality teams that需要 fast, reliable pitch-diameter checks to ensure inserts fit correctly in assemblies. This right-hand gauge is calibrated to 2B and DAkkS-traceable, aligning with ANSI/ASME thread standards for consistent, repeatable results.

• DAkkS-calibrated traceability: Provides verifiable, standards-backed measurements with documented calibration for quality records and supplier audits.
• Dual-ended UNF 1/2 x 20 ends: Enables quick pitch-diameter checks on Helicoil/STI inserts from a single tool, reducing inspection time and setup steps.
• Rugged, right-hand 2B gauge design: Built for busy workshops with a durable, ergonomic grip and tight 2B tolerance to deliver consistent readings across batches.

The JBO plug gauge helps you confirm that your UNF 1/2 x 20 Helicoil inserts meet the required pitch diameter and fit reliably in critical assemblies. By delivering traceable, dependable measurements, it supports faster quality checks, fewer rework cycles, and confident, repeatable performance in automotive, aerospace, and general manufacturing environments.