Vermont Gage 111243100 Class Zz Minus Plug Pin Gage 0.4310 in

Product Description

The VERMONT GAGE 111243100 is a Class ZZ Minus plug pin gage machined to a 0.4310-inch nominal diameter with a tolerance of 0.0002 inches. It is a single-ended pin gage used as a NoGo member in go/no-go inspection routines to verify that a hole or bore does not exceed its maximum allowable size. The gage is manufactured from steel with a 10 microfinish surface and ships with a Certificate of Accuracy traceable to NIST. Overall length is 2 inches. Metrologists, quality technicians, and machinists use this type of gage in production inspection, incoming inspection, and calibration of micrometers, verniers, and other precision measuring devices.

This gage is suited for dimensional inspection work in machine shops, manufacturing facilities, and metrology labs. It is typically used wherever hole size must be verified to close tolerance — such as checking drilled, reamed, or bored features in metal and plastic components. The NIST-traceable certificate makes it appropriate for ISO-controlled and AS9100-registered quality environments. The Class ZZ designation indicates a standard commercial-grade tolerance, making it a practical choice for general production inspection rather than master or reference gage applications.

Key Features

• Class ZZ Minus tolerance class — 0.0002 inches — designed for NoGo inspection use
• 0.4310-inch nominal diameter with precision-ground steel construction
• 10 microfinish surface for accurate, repeatable contact with bore walls
• Certificate of Accuracy included with NIST traceability for quality documentation
• 2-inch overall length suitable for standard pin gage handles and holders
• Compatible with set micrometers, verniers, and other calibration applications per manufacturer specification

Compatibility

Designed for use in NoGo hole inspection routines and as a setting standard for micrometers, verniers, and other precision measuring devices, as specified by the manufacturer.

Installation Notes

Pin gages should be handled with clean, dry hands or cotton gloves to prevent corrosion from skin oils. Before use, verify the gage and workpiece are at the same temperature to avoid thermal expansion errors. Apply a light film of instrument oil when storing to protect the ground surface. Calibration intervals should follow your facility quality plan and any applicable ISO or ANSI B89 measurement standards.