Vermont Gage 112300690 Class Zz Plus Plug Gage 0.69mm

Product Description

The VERMONT GAGE 112300690 is a Class ZZ Plus plug gage machined from tool steel for precision dimensional inspection. It measures a nominal diameter of 0.69 mm with a tolerance of 0.00508 mm, making it suitable for verifying tight-tolerance bores and holes in production and quality-control environments. The gage features a 10 microfinish surface on the gaging member, which reduces wear and ensures consistent, repeatable contact. Licensed metrologists, quality technicians, and tool-and-die shops rely on this type of plug gage for go-type inspection tasks where accurate bore acceptance is critical.

This plug gage is intended for go inspection applications and is also suited for setting micrometers, verniers, and other precision measuring devices that require a traceable reference standard. The 0.69 mm diameter targets small-bore work common in precision machining, medical device manufacturing, electronics assembly, and instrument fabrication. At an overall length of 2.0000 inches, the gage fits standard pin-gage handles and is manageable for bench inspection or in-process checks on the shop floor. Each unit ships with a Certificate of Accuracy that carries NIST traceability, satisfying ISO 9001 and AS9100 documentation requirements.

Key Features

• Class ZZ Plus tolerance grade at 0.00508 mm for high-accuracy go inspection
• 10 microfinish surface on the gaging pin for reduced wear and consistent readings
• Tool steel construction provides hardness and dimensional stability over repeated use
• Includes Certificate of Accuracy with NIST traceability for quality-system compliance
• Conforms to ASME B89.1 dimensional gage standards
• Overall length of 2.0000 inches fits standard commercial pin-gage handles

Compatibility

Designed for use with standard pin-gage handles and suitable for go inspection of bores nominally sized at 0.69 mm. Also functions as a setting reference for micrometers, verniers, and other precision measuring devices as noted in the product application data.

Installation Notes

Plug gages are handled and used by quality technicians and metrologists rather than installed in the traditional sense. Store the gage in its protective case when not in use to prevent nicks or corrosion that would affect dimensional accuracy. Clean the gaging surface with a lint-free cloth and light instrument oil before and after use. Never force the gage into a bore; if resistance is felt, the bore is undersize and forcing the gage will damage the finish and alter the calibrated diameter.