Plain Diameter Gaging · ISO/IEC 17025 · Made in USA
Plain Ring Gages
Master and GO/NOGO Ring Gages for Outside-Diameter Inspection and Bore-Gage Setting
Steel, chrome, and carbide plain ring gages for OD GO/NOGO inspection and for setting bore gages and comparators — class XX through Z, to ANSI/ASME B89.1.5.
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ISO 9001Certified Quality Management
ANSI/NCSL Z540-1Accredited Calibration Lab
Made in USASince 1989
Plain ring gages verify outside diameters and set the bore gages, air gages, and comparators used elsewhere on the floor. WESTport laps and certifies rings in steel, hard chrome, and carbide across the full tolerance range.
Used for GO/NO GO outside-diameter inspection and as setting masters, class XX through Z, to ANSI/ASME B89.1.5, certified in our ISO/IEC 17025 accredited laboratory.