Vermont Gage Vermont Gage     Your #1 choice in Metrology 

Black Guard Gages,

Only from Vermont Gage

Black oxide treatment helps prevent corrosion

And shows gage wear… saving money and

time. Make quick and accurate measurements

with Black Guard Pin Gages. Measure hole

sizes. Calculate distances between holes.

Gage slot widths. Check locations. Use for

Go / No-Go gaging. Size in micrometers and

Snap gages. These gages are a must for anyone

Making frequent and varied measurements.

Black Guard … only from Vermont Gage.

Black Guard





Black Guard black oxide treatment typically penetrates .00004" to .00006" deep, which will visually reveal wear patterns allowing the inspector to calibrate or replace gage pins more effectively. Black Guard treatment will help prevent rust and corrosion which will extend the useful life of the gage.

Class ZZ ( .0002" or .005 mm tolerance). * Go (Plus) or NoGo (Minus) * NIST traceable * .0005", or .02mm sizes * .001" or .02mm set increments * 52100 tool steel; 60/62 Rc * 2" long * 10 microinch finish or better * Within .0001" round * Marked with size & direction of tolerance on gages over .060" * Certificate of Accuracy included * Registered ISO 9001:2000

Vermont Precision Tools, Inc.

P. O. Box 182

10 Precision Lane

Swanton, VT 05488

Phone: 802-868-2701 * Fax: 802-868-7180 * E-Mail:

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Copyright © 2005 Vermont Gage

Vermont Gage manufactures top qualtiy, made in the U.S.A., Precision measuring instruments for the fixed limit gage industry. Whether you need english or metric; a single gage or gage set, vt gage provides for all of your guage needs. If you are looking for a pin gage , plug gage , thread gage , ring gage , triclock gage or taperlock gage , english gage set or metric gage set , look no further. Vermont Gage manufactures pin gages , plug gages, thread gages, ring gages, trilock gages and taperlock gages is class zz pin gage , class x pin gage and class xx pin gage. Vtg and Vermont thread gage will fill all of your metrology needs. Vt gage also has NPT and NPTF pipe plug gages, full calibration service NIST traceable and an online catalog. Fully ISO 9001:2000 certified , quality is assured. Call for a quote for your chrome gage, steel gage or new Black Guard gage needs in pin, plug, ring, pipe, taperlock, trilock and reversible gages. Visit our online catalog for gage sets, custom library sets, thread measuring wires, go/no go assembly, drill blanks, custom gages and all of your quality metrology requirements. Visit our technical support department for answers to your gaging questions. The archive of tech support contains past articles and technical bulletins as well as answers to customer questions. For top quality inspection instruments, demand the best American made gages. Request Vermont Gage and Vermont Thread Gage fixed limit gages.