Vermont Gage 911104900 Class Zz Plus Plug Gage 0.049 in

Product Description

The VERMONT GAGE 911104900 is a Class ZZ Plus plug gage designed for precision dimensional inspection of bores, holes, and internal features measuring 0.049 inches in diameter. Manufactured from tool steel with a black oxide finish, this gage delivers a tolerance of 0.0002 inches, making it suitable for high-accuracy go-inspection applications. Each unit ships with a Certificate of Accuracy traceable to NIST, meeting the documentation requirements of quality-controlled production and inspection environments. Machinists, quality technicians, and metrologists use this type of gage as a reliable single-purpose attribute inspection tool.

This plug gage is used in go-inspection applications to verify that a hole or bore meets its minimum acceptable diameter. It is also used to set and verify the calibration of micrometers, verniers, and other measuring devices. The 0.049 inch diameter makes it applicable to precision small-bore work common in manufacturing, aerospace component inspection, and tight-tolerance machining operations. The 2.0 inch overall length provides adequate handling for benchtop and in-process inspection tasks. Conformance to ASME B89.1 standards ensures dimensional traceability and acceptance in regulated inspection environments.

Key Features

• Class ZZ Plus tolerance rating at 0.0002 inches for high-accuracy go-inspection
• Tool steel construction for durability and wear resistance in repeated-use inspection
• Black oxide finish reduces light reflection and provides corrosion resistance
• Certificate of Accuracy included with NIST traceability for ISO and quality system compliance
• Meets ASME B89.1 dimensional standards
• Compact 2.0 inch overall length suitable for benchtop and in-process use

Compatibility

Designed for go-inspection of internal features with a nominal diameter of 0.049 inches, and for use as a setting reference with micrometers, verniers, and other precision measuring devices.

Installation Notes

Plug gages are handled and used by quality technicians and machinists - no power tools or electrical disconnection is required. Keep the gage clean and lightly oiled when not in use to prevent corrosion and dimensional distortion. Do not force the gage into a bore; damage to the gage or workpiece can result. Store in a temperature-stable environment to maintain dimensional integrity consistent with ASME B89.1 recommendations.