Vermont Gage 112108340 Class Zz Plus Plug Gage 8.34mm

Product Description

The VERMONT GAGE 112108340 is a Class ZZ Plus plug gage manufactured from tool steel for dimensional inspection of bored and reamed holes. It checks an 8.34 mm diameter with a tolerance of 0.00508 mm, making it suitable for Go inspection applications where tight dimensional control is required. The 10 microfinish surface reduces wear on the part being checked and extends service life. Each unit ships with a Certificate of Accuracy traceable to NIST standards, supporting quality-management documentation requirements. Machinists, quality technicians, and tool-room professionals use this gage as part of a systematic attribute inspection process.

This plug gage is used in manufacturing and inspection environments where hole diameter must be verified to close tolerance. Typical applications include verifying bored, drilled, reamed, or honed holes in metal and plastic workpieces. It is also suited for setting and calibrating micrometers, verniers, and other measuring devices, per ASME B89.1. The gage is sized for bench inspection, incoming inspection, and in-process quality checks on production floors.

Key Features

• Class ZZ Plus tolerance grade for Go inspection of 8.34 mm diameter holes
• Tool steel construction for durability in production inspection environments
• 10 microfinish surface reduces part wear and maintains gage accuracy over time
• Tolerance of 0.00508 mm meets ASME B89.1 dimensional standards
• Includes Certificate of Accuracy with NIST traceability for ISO and quality-system compliance
• Compatible with setting micrometers, verniers, and other precision measuring devices

Compatibility

Designed for Go inspection of 8.34 mm diameter holes and for use as a setting standard with micrometers, verniers, and other measuring devices, in accordance with ASME B89.1.

Installation Notes

Plug gages are handled and applied by quality technicians and machinists; no permanent installation is required. Clean the gage and the workpiece bore before use to prevent contamination from affecting the reading. Store the gage in its protective case when not in use to prevent surface damage. Do not force the gage into the bore; apply only light hand pressure consistent with Go-gage procedure.