Vermont Gage 112201040 Class Zz Plug Pin Gage 1.04 Mm

Product Description

The VERMONT GAGE 112201040 is a Class ZZ Minus plug pin gage designed for precision dimensional inspection of small-diameter bores and holes. Manufactured from steel with a 10 microfinish surface coating, this pin gage measures 1.04 mm in diameter and holds a tolerance of 0.00508 mm. At 2 inches in overall length, it is sized for bench use and hand gauging in production or quality-control environments. Each unit ships with a Certificate of Accuracy that carries NIST traceability, supporting documentation requirements for calibrated measurement programs. Machinists, quality technicians, and tool-room personnel are the primary users of this gage.

This pin gage is classified as a NoGo inspection gage, making it suitable for verifying that a bore does not exceed its maximum allowable diameter. Typical applications include checking drilled, reamed, or EDM-produced holes in precision machined components. It is also used as a setting standard for micrometers, verniers, and other measuring devices that require a known reference dimension. The 1.04 mm diameter makes it appropriate for fine-tolerance work common in aerospace, medical device, and general precision machining environments.

Key Features

• Class ZZ Minus tolerance classification: 0.00508 mm tolerance for NoGo inspection applications
• Steel construction with 10 microfinish surface coating for consistent contact and wear resistance
• NIST-traceable Certificate of Accuracy included with each unit
• 2-inch overall length suited for bench and hand-held gauging
• Usable as a setting reference for micrometers, verniers, and other measuring instruments

Compatibility

Designed for use as a NoGo plug pin gage in standard pin gage sets and as a setting reference for micrometers, verniers, and other dimensional measuring devices requiring a 1.04 mm reference standard.

Installation Notes

Pin gages are handled and applied by quality technicians and tool-room machinists; no installation in the mechanical sense applies. Keep the gage clean and lightly oiled when stored to prevent corrosion on the steel surface. Do not force the pin into a bore — proper gauging technique uses light hand pressure only, as forcing can damage the gage surface and invalidate its calibration. Store in the original case or a designated gage block holder to protect the 10 microfinish surface.