Vermont Gage 111128700 Class Zz Plus Plug Gage 0.287 in

Product Description

The VERMONT GAGE 111128700 is a Class ZZ Plus plug gage designed for precision go-inspection tasks in dimensional quality control. Built from tool steel with a 10 microfinish surface, it measures a nominal diameter of 0.287 inches with a tolerance of 0.0002 inches. At 2.0 inches in overall length, this gage is sized for use in standard hand-held inspection workflows. Each unit ships with a Certificate of Accuracy with NIST Traceability, confirming conformance to ASME B89.1 standards. Licensed metrologists, quality technicians, and shop-floor inspectors rely on this type of gage for repeatable, traceable go-inspection results.

This plug gage is used to verify that a hole or bore meets the minimum acceptable diameter in go-inspection applications. It is suited for use alongside set micrometers, verniers, and other measuring devices requiring a calibrated reference. Typical deployment is in manufacturing, machining, and fabrication environments where hole tolerances must be verified before assembly. The ASME B89.1 conformance makes it appropriate for both in-process inspection and final quality checks in precision parts production.

Key Features

• Class ZZ Plus tolerance class with 0.0002 inches tolerance for precise go-inspection
• 10 microfinish surface for consistent, low-wear contact during inspection
• Tool steel construction for durability in production environments
• Conforms to ASME B89.1 dimensional gage standards
• Includes Certificate of Accuracy with NIST Traceability

Compatibility

Designed for go-inspection use with set micrometers, verniers, and other precision measuring devices requiring a calibrated plug gage reference at 0.287 inches nominal diameter.

Installation Notes

Plug gages are handled and used by quality technicians and metrology personnel, not installed in a mechanical system. Store the gage in its case when not in use to prevent surface damage and corrosion. Do not force the gage into a bore; go-inspection requires that the gage enter under its own weight or light hand pressure only. Periodically clean and inspect the gage surface to maintain measurement integrity and protect the NIST-traceable calibration.