Vermont Gage 111156900 Class Zz Plus Plug Gage 0.569 in

Product Description

The VERMONT GAGE 111156900 is a Class ZZ Plus plug gage used to verify bore and hole dimensions in precision measurement and quality control applications. Machined from tool steel and finished to a 10 microinch surface finish, this gage holds a tolerance of 0.0002 inches at a measurement diameter of 0.569 inches. At 2.0 inches overall length, it fits standard gage handle configurations used in production and inspection environments. Each unit ships with a Certificate of Accuracy with NIST traceability, supporting documented inspection programs and calibration records. Licensed metrology technicians, machinists, and quality control inspectors are the primary users.

This plug gage is suited for go-type inspection work on machined bores, drilled holes, and precision-fit openings. It is also used as a reference standard for setting micrometers, verniers, and other measuring devices requiring a known dimensional reference. Its 0.569-inch diameter targets close-tolerance work in both job shop and production floor inspection settings. Typical applications include aerospace, automotive, and general manufacturing where ASME B89.1 dimensional standards apply.

Key Features

• Class ZZ Plus tolerance grade: 0.0002 inches for precise go-inspection work
• 10 microinch surface finish for consistent, repeatable gage contact
• Tool steel construction for durability and wear resistance in production use
• ASME B89.1 compliant for standardized dimensional inspection
• Includes Certificate of Accuracy with NIST traceability for calibration documentation
• 2.0-inch overall length compatible with standard plug gage handles

Compatibility

Designed for use with standard plug gage handles in go-type bore inspection setups, and suitable for setting micrometers, verniers, and other measuring devices requiring a calibrated dimensional reference.

Installation Notes

Plug gages should be handled with clean, dry hands or lint-free gloves to prevent corrosion from skin contact. Store the gage in its case when not in use and allow it to reach ambient temperature before taking measurements to avoid thermal expansion error. Periodic cleaning and re-certification against NIST-traceable standards is recommended per your facility calibration program.