Vermont Gage 112312030 Class Zz Plus Plug Gage 12.03mm

Product Description

The VERMONT GAGE 112312030 is a Class ZZ Plus plug gage designed for precision dimensional inspection of bored holes and machined features at 12.03 mm diameter. Manufactured from tool steel with a 10 microfinish surface coating, this gage delivers a tolerance of 0.00508 mm, meeting the tight requirements of Class ZZ Plus classification under ASME B89.1. It ships with a Certificate of Accuracy traceable to NIST, making it ready for use in quality-controlled environments without additional calibration steps. Machinists, quality technicians, and metrology professionals rely on this type of gage for fast, repeatable go-inspection decisions on production floors and in inspection rooms.

This plug gage is suited for go inspection applications including checking machined bores, setting micrometers, calibrating verniers, and validating other measuring devices where a 12.03 mm reference diameter is required. Its overall length of 2.0000 inches makes it compatible with standard gage handle systems. It is appropriate for both production-line spot checks and bench-level inspection setups in manufacturing, tool-and-die, and precision machining environments.

Key Features

• Class ZZ Plus classification per ASME B89.1 for high-accuracy go inspection
• 12.03 mm nominal diameter with 0.00508 mm tolerance
• 10 microfinish surface coating for consistent, low-wear contact
• Tool steel construction for durability in production environments
• Includes Certificate of Accuracy with NIST traceability
• Overall length of 2.0000 inches fits standard gage handle systems

Compatibility

Designed as an OEM-style go plug gage for use with standard gage handles and applicable to any inspection application requiring a 12.03 mm diameter reference per ASME B89.1 tolerancing standards.

Installation Notes

Plug gages are handled and used by quality technicians and machinists; no permanent installation is required. Keep the gage clean and lightly oiled when stored to prevent corrosion of the tool steel body. Do not force the gage through a bore - apply only light, consistent hand pressure to avoid damage to the gage or the workpiece. Calibration intervals should follow your facility's quality management system and applicable metrology standards.