Vermont Gage 112109580 Class Zz Plus Plug Gage 9.58 Mm

Product Description

The VERMONT GAGE 112109580 is a Class ZZ Plus plug gage designed for precise go inspection of bored, reamed, and machined holes. Built from tool steel with a 10 microfinish surface, this gage checks that a hole meets its minimum acceptable size, confirming the feature is within tolerance before the part moves to the next operation. The gage holds a tolerance of 0.005 mm, making it suitable for applications where dimensional accuracy is critical. Each unit ships with a Certificate of Accuracy traceable to NIST, meeting ASME B89.1 standards. Overall length is 2.0 inches. Licensed machinists, quality technicians, and inspection personnel are the primary users.

This plug gage is used in manufacturing inspection environments where go-type attribute gauging is required for holes near 9.58 mm nominal diameter. Typical applications include verifying drilled, reamed, or bored features on machined components in job shops, production floors, and quality labs. It is also suited for setting and verifying micrometers, verniers, and other measuring devices that require a traceable reference standard. The compact size makes it practical for bench or in-process inspection work.

Key Features

• Class ZZ Plus tolerance class: 0.005 mm, per ASME B89.1
• 10 microfinish surface for consistent, repeatable contact
• Tool steel construction for durability under regular inspection use
• Includes Certificate of Accuracy with NIST traceability
• Suitable for go inspection, micrometer setting, and vernier calibration reference
• Compact 2.0 inch overall length for easy handling at the bench or machine

Compatibility

Designed for go inspection of machined holes at 9.58 mm nominal diameter. Also compatible for use as a reference standard when setting micrometers, verniers, and other measuring devices requiring a certified dimensional reference.

Installation Notes

Plug gages are handled and used by quality technicians and machinists following standard attribute gauging procedures. Keep the gage clean and lightly oiled when not in use to prevent corrosion on the tool steel surface. Never force the gage through a feature; a go gage should pass under its own weight or light hand pressure. Store in a protective case away from temperature extremes to maintain calibration integrity.