Vermont Gage 112302530 Class Zz Plus Plug Gage 2.53mm

Product Description

The VERMONT GAGE 112302530 is a Class ZZ Plus pin-style plug gage used to verify bore and hole diameters to close dimensional tolerances. Machined from tool steel and finished to a 10 microfinish surface, this gage delivers reliable, repeatable measurements for Go inspection applications. It holds a tolerance of 0.00508 mm, making it appropriate for dimensional verification work where accuracy is critical. Each unit ships with a Certificate of Accuracy traceable to NIST, confirming traceability to a national measurement standard. The gage is sized at 2.53 mm diameter and is compact enough for bench or field inspection use. Machinists, quality technicians, and metrology professionals use this type of gage as part of standard incoming, in-process, and final inspection workflows.

This plug gage is suited for Go inspection of 2.53 mm diameter bores in production and quality control environments. It is also used to set and verify micrometers, verniers, and other measuring devices requiring a traceable reference standard. Typical applications include machine shops, tool rooms, and manufacturing inspection stations handling small-diameter precision components. The 10 microfinish surface finish reduces wear and maintains dimensional integrity over repeated use cycles. This gage conforms to ASME B89.1 standards, which govern the dimensional and tolerance requirements for plain plug gages used in general metrology.

Key Features

• Class ZZ Plus tolerance grade with 0.00508 mm tolerance for precision Go inspection
• 2.53 mm diameter for small-bore verification and measuring device setup
• 10 microfinish surface for reduced wear and consistent contact
• Tool steel construction for durability in production inspection environments
• Includes Certificate of Accuracy with NIST-traceable calibration
• Conforms to ASME B89.1 plain plug gage standards

Compatibility

Designed for Go inspection of 2.53 mm diameter bores and for use as a reference standard when setting micrometers, verniers, and other precision measuring devices.

Installation Notes

Plug gages are handled and used by quality technicians and metrologists following standard inspection procedures. Store the gage in its protective case when not in use to prevent surface damage and corrosion. Clean contact surfaces before use to avoid false readings caused by debris or contamination. Do not force the gage into a bore; apply light, consistent hand pressure only to preserve the gage surface and avoid dimensional damage to the workpiece.