Vermont Gage 112101880 Class Zz Plus Plug Gage 1.88mm

Product Description

The VERMONT GAGE 112101880 is a Class ZZ Plus plug gage designed for precision bore inspection in metrology and quality control environments. It features a 1.88 mm diameter with a tolerance of 0.00508 mm and a 10 microfinish surface coating, delivering the accuracy required for Go inspection applications. Constructed from tool steel for durability and dimensional stability, this plug gage includes a Certificate of Accuracy with NIST traceability, confirming it meets ASME B89.1 standards. Machinists, quality technicians, and metrologists rely on this type of instrument to verify bore size conformance during production inspection routines.

This plug gage is suited for Go inspection use in manufacturing and machine shop environments where tight dimensional tolerances must be verified. It is also applicable for setting and calibrating micrometers, verniers, and other precision measuring devices. The compact overall length of 2.0 inches makes it practical for benchtop and floor-level inspection stations. It is appropriate for both job shop and production floor quality assurance workflows where ASME B89.1 compliance is required.

Key Features

• Class ZZ Plus tolerance class with 0.00508 mm tolerance for precise Go inspection
• 1.88 mm diameter ground to a 10 microfinish surface for consistent, repeatable contact
• Tool steel construction provides hardness and long-term dimensional stability
• Includes Certificate of Accuracy with NIST traceability
• Meets ASME B89.1 dimensional standards
• Suitable for setting micrometers, verniers, and other precision measuring instruments

Compatibility

Designed as an OEM-style Go inspection plug gage for use with standard bore inspection routines, and compatible for setting and calibrating micrometers, verniers, and other precision measuring devices.

Installation Notes

Plug gages of this type are handled and used by quality control technicians and machinists — no power source or mechanical installation is required. Store the gage in its protective case when not in use to prevent surface damage to the 10 microfinish. Handle with clean, dry hands or cotton gloves to avoid corrosion from skin contact on the tool steel surface. Verify calibration status against the included NIST-traceable certificate before use in a controlled inspection process.