Vermont Gage 112301090 Class Zz Plus Plug Gage 1.09mm

Product Description

The VERMONT GAGE 112301090 is a Class ZZ Plus plug gage designed for precise dimensional inspection of small bores and holes. Built from tool steel, this gage measures a nominal diameter of 1.09 mm with a tolerance of 0.005 mm, making it suitable for tight-tolerance go inspection work. The 10 microfinish surface ensures consistent contact and reliable readings. Overall length is 2.0 inches. Each unit ships with a Certificate of Accuracy traceable to NIST, meeting ASME B89.1 standards. Metrology technicians, quality control inspectors, and precision machinists are the typical end users for this type of instrument.

This plug gage is used in go inspection applications where a workpiece bore must meet a minimum dimensional requirement. It is also appropriate for setting and verifying micrometers, verniers, and other measuring devices. The small 1.09 mm diameter makes it well suited for fine-pitch bore inspection in precision machined components, tooling, and instrument manufacturing environments. It fits naturally into standard gage handling protocols used on the shop floor or in a metrology lab.

Key Features

• Class ZZ Plus tolerance rating for go inspection applications
• 1.09 mm nominal diameter with 0.005 mm tolerance
• 10 microfinish surface for consistent, repeatable contact
• Tool steel construction for hardness and wear resistance
• Includes Certificate of Accuracy with NIST traceability
• Conforms to ASME B89.1 standards

Compatibility

Designed for use as a go plug gage for go inspection of bores and for setting micrometers, verniers, and other measuring devices requiring a 1.09 mm reference diameter.

Installation Notes

Plug gages are handled and used by metrology technicians and quality inspectors. Keep the gage clean and lightly oiled when not in use to prevent corrosion on the tool steel surface. Do not force the gage into a bore; controlled hand pressure is the correct technique. Store in a protective case away from temperature extremes to preserve dimensional accuracy.