Vermont Gage 111253000 Class Zz Minus Plug Pin Gage 0.53 in

Product Description

The VERMONT GAGE 111253000 is a Class ZZ minus-tolerance plug pin gage machined from steel for dimensional inspection work. It measures a nominal diameter of 0.5300 inches with a tolerance of 0.0002 inches, making it suitable for NoGo pass/fail verification in quality-control and production environments. The gage ships with a Certificate of Accuracy carrying NIST traceability, confirming it meets Class ZZ specifications right out of the package. Machinists, quality technicians, and tool-room professionals use plug pin gages like this one to verify hole diameters quickly and repeatably without setting up a dedicated inspection fixture.

This gage is intended for NoGo inspection applications where a hole must be confirmed to be no larger than the specified diameter. It also serves as a setting standard for micrometers, verniers, and other precision measuring devices that require a known reference dimension. The 2-inch overall length gives the user sufficient grip and handling clearance when inserting the gage into bores, blind holes, or machined features on production parts. It is appropriate for shop-floor use as well as quality lab environments.

Key Features

• Class ZZ minus tolerance: 0.0002 inches, suitable for NoGo inspection applications
• Nominal measurement diameter of 0.5300 inches for precise bore verification
• Steel construction with a 10 micro coating and finish for wear resistance and dimensional stability
• Certificate of Accuracy with NIST traceability included
• 2-inch overall length for comfortable handling during bore and hole inspection
• Functions as a setting reference for micrometers, verniers, and other measuring devices

Compatibility

Designed for use as a NoGo plug gage in standard bore inspection setups and as a setting reference for micrometers, verniers, and comparable precision measuring instruments requiring a 0.5300-inch reference standard.

Installation Notes

Plug pin gages are handled and used by quality technicians and machinists; no installation in the traditional sense is required. Store the gage in its protective case when not in use to prevent surface damage that could affect dimensional accuracy. Clean the gage and the bore being inspected before use to remove chips, oil, or debris that could produce false readings. Never force the gage into a hole; hand pressure only is appropriate for NoGo verification to avoid galling or distortion of the gage surface.