Description Condition Used (Working Order / Tool Only). This dial indicator is in used condition and functions correctly. The plunger action is smooth, and the bezel rotates freely for zero setting. Please Note: This unit is sold as the “tool only” and does not include the original box or storage case. Specific Configuration: The plunger is currently fitted with a Flat Bottom Contact Point (rather than the standard ball tip). This configuration is highly desirable for specific applications like bore gauge setting, where a flat surface ensures positive contact with the internal push-rod mechanism. Product Overview The Mitutoyo 2959S is a specialised “One Revolution” dial indicator designed to eliminate reading errors. Unlike standard indicators where the needle spins multiple times (forcing you to count the revolutions), the 2959S has a limited range of 1.6mm, meaning the needle effectively makes only one full sweep. This “error-free” design is the industry standard for Bore Gauge applications and Go/No-Go inspection. When measuring a bore, you never have to wonder if you are “one turn out” or misread the millimetres—what you see on the dial is the absolute truth. The dial is balanced (80-0-80) to clearly show positive and negative deviation from your set zero point. It features Mitutoyo’s proprietary shock-proofing mechanism to protect the gears from sudden spindle retraction, common when checking rough castings. Brand Information Mitutoyo Corporation (est. 1934) is the global benchmark for precision metrology. The Series 2 “One Revolution” indicators are a safety-critical tool in many machine shops; by mechanically preventing the user from misinterpreting the reading, they save thousands of dollars in scrapped parts caused by “off-by-one-millimetre” errors. Specifications FeatureSpecificationModel2959S (Series 2)TypeOne Revolution / Error FreeRange1.6mm (Effective)Graduation0.01mmDial Reading80-0-80 (Balanced)Accuracy±0.013mmContact PointFlat Type (Installed)Stem Diameter8mm (ISO Standard)IncludedIndicator Only (No Box) Keywords Mitutoyo, 2959S, one revolution indicator, error free indicator, bore gauge indicator, dial gauge, 0.01mm indicator, flat anvil indicator, inspection tool.
