{"product_id":"spi-cms160725108-dial-drop-indicator-0-25-inch-range","title":"Spi CMS160725108 Dial Drop Indicator 0.25 Inch Range","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SPI CMS160725108 is a dial drop indicator designed for precision dimensional measurement in machining, inspection, and quality-control applications. It features a 0.001 inch graduation with a 0-50-0 dial reading and a total range of 0.25 inch, making it suitable for detecting small surface variations, checking runout, and verifying part alignment. The 2.2 inch white dial face and revolution counter support fast, accurate readings during repeated checks. Accuracy is rated at 0.002 inch. Machinists, toolmakers, and metrology technicians are the primary users of this instrument.\u003c\/p\u003e\u003cp\u003eThis dial drop indicator is used in machine shop environments, inspection departments, and production lines where surface comparisons and deviation measurements are required. The flat back and 3\/8 inch stem diameter allow it to seat in standard indicator holders and magnetic bases. The universal positioning capability makes it adaptable to a wide range of fixture setups on mills, lathes, surface plates, and inspection fixtures.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.001 inch graduation for fine resolution measurement\u003c\/li\u003e\n\u003cli\u003e0-50-0 bidirectional dial reading for direct plus-or-minus deviation reading\u003c\/li\u003e\n\u003cli\u003eRevolution counter tracks full rotations to prevent misreads on multi-revolution measurements\u003c\/li\u003e\n\u003cli\u003e2.2 inch white dial face for high visibility and easy reading\u003c\/li\u003e\n\u003cli\u003eFlat back with 3\/8 inch stem diameter fits standard indicator holders and magnetic bases\u003c\/li\u003e\n\u003cli\u003e1.50 N measuring force minimizes deflection on delicate workpieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned to fit standard dial indicator holders, dovetail clamps, and magnetic base stems accepting a 3\/8 inch diameter shank, which is a common mounting configuration across most inspection and machine-tool setups.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eDial drop indicators are installed and serviced by machinists, toolmakers, and metrology technicians. Before mounting, ensure the indicator stem is fully seated and the clamping screw engages the stem without side-loading the spindle. Zero the indicator against a known reference surface before taking measurements. Avoid overtravel beyond the rated range, as this can damage the internal gear train.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Range\u003c\/strong\u003e: 0.25 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Graduation\u003c\/strong\u003e: 0.001 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Reading\u003c\/strong\u003e: 0-50-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.002 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange Per Revolution\u003c\/strong\u003e: 0.1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 2.2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring Force\u003c\/strong\u003e: 1.50 N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Color\u003c\/strong\u003e: White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Type\u003c\/strong\u003e: Flat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-48 \/ M2.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevolution Counter\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAGD Group\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 5.52 inches L x 3.35 inches W x 2.37 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.49 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CMS160725108\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51696255762738,"sku":"CMS160725108","price":59.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2374f2788938d4371bbd5b0801578736.jpg?v=1788340732","url":"https:\/\/voomisupply.com\/products\/spi-cms160725108-dial-drop-indicator-0-25-inch-range","provider":"Voomi Supply","version":"1.0","type":"link"}