Vermont Gage 112412050 Class Zz Minus Plug Pin Gage 12.05mm

Product Description

The VERMONT GAGE 112412050 is a Class ZZ minus plug pin gage machined for NoGo inspection work. It measures 12.05 mm in diameter with a tolerance of 0.00508 mm, making it suitable for verifying that a bored hole or feature does not exceed its maximum material condition. The steel construction and 10 microfinish surface coating deliver consistent, repeatable results across repeated insertions. Each unit ships with a Certificate of Accuracy backed by NIST traceability, which satisfies documentation requirements in quality-controlled manufacturing and inspection environments. Machinists, quality technicians, and metrology professionals use this gage as part of a go/nogo inspection routine or to calibrate and verify setting micrometers, verniers, and other measuring devices.

This pin gage is designed for dimensional inspection applications in manufacturing, machining, and quality assurance settings. It is used as a NoGo member to confirm that a hole or bore does not exceed its upper tolerance limit. It also serves as a reference standard when setting micrometers, vernier calipers, and similar measuring instruments. The overall length of 2 inches allows comfortable handling during bench inspection or in-process checks. The NIST-traceable certificate supports ISO 9001, AS9100, and similar quality management requirements where documented calibration is mandatory.

Key Features

• Class ZZ minus tolerance at 0.00508 mm for NoGo inspection applications
• 12.05 mm measurement diameter in steel with 10 microfinish surface coating
• 2-inch overall length for easy bench and in-process handling
• Includes Certificate of Accuracy with NIST traceability for documented quality systems
• Suitable for setting and verifying micrometers, verniers, and other measuring devices

Compatibility

Designed as an OEM-style Class ZZ minus plug pin gage for use with standard go/nogo gage handle holders and as a reference standard for setting micrometers, verniers, and other measuring instruments requiring a 12.05 mm reference diameter.

Installation Notes

Pin gages are handled and used by quality technicians and machinists; no power lockout is required, but the gage should be stored in its protective case when not in use to prevent surface damage. Clean the gage pin and the feature being inspected before use to avoid false readings caused by debris or contaminants. Do not force the pin into a feature - controlled, consistent insertion pressure is required for accurate results. Consult your facility quality manual and applicable standards such as ASME B89.1.5 for gage usage and calibration interval requirements.