Vermont Gage 112109000 Class Zz Plus Plug Gage 9mm

Product Description

The VERMONT GAGE 112109000 is a Class ZZ Plus plug gage designed for precision dimensional inspection of 9 mm diameter bores and holes. Manufactured from tool steel and finished to a 10 microfinish surface quality, this plug gage holds a tolerance of 0.00508 mm, meeting the requirements of ASME B89.1. It is used by machinists, quality control technicians, and metrology professionals to verify whether a feature falls within acceptable dimensional limits. Each unit ships with a Certificate of Accuracy that carries NIST traceability, making it suitable for documented inspection processes in manufacturing and job-shop environments.

This plug gage is applied in go-type inspection workflows where the gage must pass through an acceptable bore to confirm minimum material condition compliance. It is also used to set and verify micrometers, verniers, and other measuring devices requiring a known reference standard. The 9 mm diameter and compact overall length of 2.0000 inches make it practical for benchtop and in-process inspection on production floors, tool rooms, and quality labs handling metric-dimensioned components.

Key Features

• Class ZZ Plus tolerance of 0.00508 mm for precise go-type inspection
• Tool steel construction for durability and dimensional stability
• 10 microfinish surface for consistent, repeatable gage contact
• Meets ASME B89.1 dimensional gage standards
• Includes Certificate of Accuracy with NIST traceability for documented QC processes
• Compact 2.0000-inch overall length suited for benchtop and in-process use

Compatibility

Designed for go inspection of 9 mm diameter features and for use as a reference standard with micrometers, verniers, and other measuring devices requiring a calibrated setting master.

Installation Notes

Plug gages are handled and used by metrology technicians and quality control personnel. Store the gage in its protective case when not in use to prevent surface damage. Clean the gage and the bore being inspected before use to avoid false readings caused by debris or coolant residue. Do not force the gage through a bore; excessive insertion force can damage the gage or the workpiece and will produce an inaccurate inspection result.