Vermont Gage 111158400 Class Zz Plus Plug Gage 0.584 in

Product Description

The VERMONT GAGE 111158400 is a Class ZZ Plus plug gage designed for precise go-inspection of bored, drilled, and reamed holes at a nominal diameter of 0.584 inches. Manufactured from tool steel with a 10 microinch surface finish, this gage delivers a tolerance of 0.0002 inches, meeting the dimensional accuracy requirements of ASME B89.1. Every unit ships with a Certificate of Accuracy traceable to NIST, making it suitable for controlled inspection environments and calibration records. Machinists, quality technicians, and tool-room personnel use this gage to verify hole diameters against print tolerances in production and inspection settings.

This plug gage is applied in go-inspection workflows where a single master gage must confirm that a hole is at or above the minimum acceptable size before a part advances to the next operation. It is also used to set and verify micrometers, vernier calipers, and other measuring devices requiring a traceable reference. Typical applications include machine shops, manufacturing quality labs, and tool rooms handling close-tolerance components in metal, plastic, and composite materials. Overall length of 2 inches provides comfortable handling for bench and in-process inspection tasks.

Key Features

• Class ZZ Plus accuracy to ASME B89.1 with 0.0002 inches tolerance
• 10 microinch surface finish for consistent, repeatable contact
• Tool steel construction for wear resistance and dimensional stability
• Includes Certificate of Accuracy with NIST traceability for calibration documentation
• Suitable for go-inspection of holes and as a reference standard for calibrating measuring instruments
• 2 inches overall length for ergonomic bench and in-process use

Compatibility

Designed as an OEM-style go plug gage for verifying hole diameters at 0.584 inches nominal in standard ASME B89.1 inspection applications, and for setting micrometers, verniers, and other dimensional measuring devices requiring a traceable reference.

Installation Notes

Plug gages are handled and used by quality technicians and machinists; no power tools or utilities need to be shut down for routine inspection use. Store the gage in its protective case when not in use and apply a light coat of rust-preventive oil to prevent corrosion on the tool steel surface. Do not force the gage into an undersized hole, as this will damage the gage and invalidate its calibration. Periodic recalibration against NIST-traceable standards is recommended to maintain measurement integrity.