Vermont Gage 111429150 Class Zz Minus Plug Pin Gage 0.2915 in

Product Description

The VERMONT GAGE 111429150 is a Class ZZ Minus plug pin gage ground to a nominal diameter of 0.2915 inches with a tolerance of 0.0002 inches. This single-ended pin gage is used to verify hole dimensions during NoGo inspection, confirming that a bore does not exceed its maximum allowable size. Machined from steel and finished to a 10 microfinish surface, it provides consistent, repeatable contact with the workpiece. The gage ships with a Certificate of Accuracy traceable to NIST, meeting documentation requirements for controlled manufacturing environments. Overall length is 2 inches. Machinists, quality technicians, and toolroom personnel are the primary users.

This pin gage is suited for dimensional inspection in precision machining, toolroom, and quality control applications. It works with standard gage handle holders for efficient single-hand operation on the shop floor or inspection bench. Typical uses include verifying drilled, reamed, or bored holes in metal components where tight tolerances are held. The Class ZZ designation places it in the standard commercial tolerance class, appropriate for production inspection rather than master or reference gage applications. Compatible measuring instruments referenced in the application data include micrometers, verniers, and other measuring devices used alongside plug gages in a complete inspection process.

Key Features

• Class ZZ Minus tolerance class - 0.0002 inch tolerance for production-level NoGo inspection
• 0.2915 inch nominal diameter ground to close dimensional control
• 10 microfinish surface for consistent, low-wear contact with the bore
• Steel construction for durability in production inspection environments
• Includes Certificate of Accuracy with NIST traceability for quality system documentation
• 2 inch overall length - compatible with standard plug gage handles

Compatibility

Designed for use as a NoGo plug gage in conjunction with micrometers, verniers, and other measuring devices as stated in the product application data. Fits standard gage handle holders sized for the 0.2915 inch diameter class.

Installation Notes

Pin gages are installed and handled by machinists or quality inspection technicians. The gage should be inserted into the bore with light, consistent hand pressure - never forced, as forcing can damage the gage or the workpiece surface. Clean and lightly oil the gage before and after use to prevent corrosion and maintain the surface finish. Store in a protective case away from other metal tools to avoid contact damage to the precision ground surface.