Vermont Gage 102300100 Class Zz Plug Gage Set 55 Pc

Product Description

The VERMONT GAGE 102300100 is a Class ZZ plug gage set designed for precision dimensional inspection across a range of small-bore applications. The set covers a minimum diameter of 0.21 mm through a maximum diameter of 1.29 mm, with a plus tolerance of 0.005 mm per gage. Constructed from steel, this 55-piece set is suited for metrology labs, quality control departments, and tool rooms where accurate, repeatable hole and slot measurement is required. Each set ships with a Certificate of Accuracy that is NIST traceable, confirming calibration to national measurement standards.

This plug gage set is used in precision machining and inspection environments for tasks including GO gaging inspection, measuring hole diameters, gaging slot widths and locations, calculating distances between holes, and setting micrometers, verniers, and other measuring devices. It is well suited for aerospace, automotive, medical device, and general precision manufacturing shops where small-diameter tolerance verification is part of standard workflow. The small-diameter range makes it particularly useful for micro-bore and fine-pitch component inspection.

Key Features

• 55-piece set covers 0.21 mm to 1.29 mm diameter range
• Class ZZ tolerance classification with plus tolerance of 0.005 mm
• Steel construction for durability and dimensional stability
• Certificate of Accuracy included, NIST traceable calibration
• Multi-application use: hole diameter measurement, GO gaging, slot gaging, and instrument setting

Compatibility

Designed as a standard Class ZZ plug gage set for use with small-bore inspection applications requiring diameters between 0.21 mm and 1.29 mm; compatible with standard gage handle holders appropriate for the pin diameter range.

Installation Notes

Plug gages in this size range are handled and used by quality technicians, machinists, and metrologists. Store gages in their designated case to prevent damage to precision surfaces. Clean and lightly oil steel plug gages before storage to prevent corrosion. Never force a plug gage into a hole; forced insertion can damage both the gage and the workpiece and will invalidate measurement accuracy.