Vermont Gage 111307450 Class Zz Plus Plug Gage 0.0745 in

Product Description

The VERMONT GAGE 111307450 is a Class ZZ Plus plug gage machined from tool steel for precise hole diameter verification in production and quality-control environments. Designed to a 0.0745-inch nominal diameter with a tolerance of 0.0002 inches, this gage delivers the accuracy required for go inspection of bores, holes, and ground openings. The overall working length is 2.0 inches. A Certificate of Accuracy with NIST traceability is included with each unit, supporting documentation requirements in regulated manufacturing and inspection programs. The 10 microfinish surface meets ASME B89.1 standards, making this a reliable reference tool for calibration-conscious shops.

This plug gage is suited for use in precision machining, tool-and-die, aerospace component inspection, and general metrology applications where tight hole tolerances must be verified. It is also appropriate for setting and verifying micrometers, verniers, and other measuring devices where a known reference diameter is required. Machinists, quality engineers, and metrology technicians are the primary users in both job-shop and high-volume production settings.

Key Features

• Class ZZ Plus tolerance grade — 0.0002-inch tolerance for consistent go-inspection accuracy
• Tool steel construction for hardness and wear resistance in repetitive gage use
• 10 microfinish surface finish per ASME B89.1 standards
• 2.0-inch overall length for comfortable handling on small-diameter applications
• Certificate of Accuracy with NIST traceability included for audit and calibration records
• Compatible with micrometers, verniers, and other reference-setting measuring devices

Compatibility

Suitable for go inspection of holes and bores at 0.0745-inch nominal diameter. Also used to set and verify micrometers, verniers, and other measuring devices requiring a traceable reference standard.

Installation Notes

Plug gages are handled and used by machinists and quality-control technicians — no power source or mechanical installation is required. Store the gage in its protective case when not in use to prevent damage to the precision-ground surface. Do not apply excessive insertion force; the gage should pass through a conforming hole with light, controlled hand pressure. Clean the gage and the part bore before inspection to prevent debris from affecting readings or causing surface damage.