Vermont Gage 112319950 Class Zz Plus Plug Gage 19.95mm

Product Description

The VERMONT GAGE 112319950 is a Class ZZ Plus cylindrical plug gage manufactured from tool steel for dimensional go inspection of machined bores and holes. It carries a diameter of 19.95 mm with a tolerance of 0.005 mm (0.00508 mm per ASME B89.1), making it suitable for precision quality control work where tight dimensional verification is required. The gage features a 10 microinch surface finish on the gaging surfaces. Each unit ships with a Certificate of Accuracy traceable to NIST. Machinists, quality technicians, and metrology professionals use this tool in production and inspection environments to verify bore dimensions against specification.

This plug gage is intended for go inspection applications in manufacturing and machine shop settings. It is commonly used alongside set micrometers, verniers, and other measuring devices to establish and verify dimensional standards. The 19.95 mm diameter targets bores produced to close metric tolerances in both job-shop and production floor environments. The overall length of 2.0000 inches provides a manageable grip for handheld inspection use. It is appropriate for both incoming inspection and in-process quality checks on metal components.

Key Features

• Class ZZ Plus tolerance grade: 0.005 mm (0.00508 mm per ASME B89.1) for precision go inspection
• 19.95 mm gage diameter for metric bore verification
• 10 microinch surface finish on gaging surfaces
• Tool steel construction for wear resistance and dimensional stability
• Includes Certificate of Accuracy with NIST traceability
• Complies with ASME B89.1 standard

Compatibility

Designed for go inspection of 19.95 mm diameter bores and as a reference standard for setting micrometers, verniers, and other dimensional measuring devices in precision metrology applications.

Installation Notes

Plug gages are handled and used by metrology technicians and quality inspectors; no power-down or lockout procedures apply. Clean the gage and the bore thoroughly before use to prevent contamination from affecting the measurement. Store the gage in its protective case away from temperature extremes to maintain dimensional stability. Do not force the gage into an undersized bore, as this can damage both the gage and the workpiece.