Vermont Gage 112403150 Class Zz Plug Pin Gage 3.15 Mm

Product Description

The VERMONT GAGE 112403150 is a Class ZZ Minus plug pin gage machined from steel and used to verify that a bored or drilled hole does not exceed its maximum allowable size. At 3.15 mm in diameter with a tolerance of 0.00508 mm, this gage delivers the precision required for NoGo inspection work in quality-control and dimensional-verification applications. The 10 microfinish surface coating protects the gauge surface and helps maintain measurement integrity over repeated use. Each unit ships with a Certificate of Accuracy traceable to NIST standards, supporting calibration documentation requirements in regulated shop environments. Overall length is 2 inches.

This plug pin gage is suited for inspection stations in machine shops, toolrooms, and manufacturing facilities where hole-size verification is part of standard quality control. It is used alongside set micrometers, verniers, and other precision measuring devices to confirm that machined features fall within specified tolerance limits. The Class ZZ designation identifies it as a working-grade gage appropriate for production and incoming inspection use rather than master or reference-grade applications.

Key Features

• Class ZZ Minus designation for NoGo hole inspection
• 3.15 mm measurement diameter with 0.00508 mm tolerance
• 10 microfinish surface coating for durability and measurement consistency
• Steel construction for wear resistance in production environments
• Includes Certificate of Accuracy with NIST traceability
• Overall length of 2 inches for easy single-hand handling

Compatibility

Designed for use with set micrometers, verniers, and other precision measuring devices requiring a 3.15 mm Class ZZ Minus plug pin gage for NoGo inspection.

Installation Notes

Plug pin gages are handled and applied by quality-control technicians, machinists, and metrologists. Clean the gage and the part being inspected before use to prevent contamination that could affect measurement accuracy. Do not force the gage into a hole; a NoGo gage should not enter a correctly sized feature. Store the gage in its protective case when not in use to prevent surface damage and maintain calibration integrity.