{"product_id":"spi-cms220519022-ball-anvil-electronic-micrometer","title":"Spi CMS220519022 Ball Anvil Electronic Micrometer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI CMS220519022 is an electronic ball anvil micrometer designed for precision outside measurement of curved, convex, and cylindrical workpiece surfaces. It covers a measurement range of 1 to 2 inches with a resolution and graduation of 0.0001 inches, making it suitable for high-accuracy dimensional inspection tasks. The carbide ball anvil and spherical spindle contact points are sized at 6.5 mm diameter each, allowing consistent contact on radius surfaces where a flat anvil would rock or seat improperly. A ratchet thimble ensures repeatable measuring force, and a positive lock nut holds readings during transfer. Calibrated to ASME B89.1.13, this instrument is used by machinists, quality control technicians, and tool-and-die professionals.\u003c\/p\u003e\n\u003cp\u003eThis micrometer is intended for shop-floor and inspection-room use where curved or spherical surfaces require accurate outside diameter or wall-thickness measurements. Typical applications include measuring tubing wall thickness, ball bearings, convex radii, and similar geometry that flat-anvil micrometers cannot reliably contact. The digital counter display eliminates interpolation error during reading. At approximately 1 pound, the instrument is hand-portable for bench or in-process inspection work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronic digital display with 0.0001 inch graduation for direct, error-free reading\u003c\/li\u003e\n  \u003cli\u003eCarbide ball anvil and 6.5 mm spherical spindle for accurate contact on curved surfaces\u003c\/li\u003e\n  \u003cli\u003eRatchet thimble provides consistent, repeatable measuring force\u003c\/li\u003e\n  \u003cli\u003ePositive lock nut secures the spindle position for transfer measurements\u003c\/li\u003e\n  \u003cli\u003eRotating spindle design accommodates alignment to workpiece geometry\u003c\/li\u003e\n  \u003cli\u003eCalibrated and conforms to ASME B89.1.13 standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style precision measuring instrument suitable for general metrology, inspection, and quality control applications requiring ball-contact outside micrometer measurements in the 1 to 2 inch range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eHandle and store in a clean, temperature-stable environment to maintain calibration accuracy. Before use, verify zero setting at the lower end of the measurement range per the manufacturer calibration procedure. Avoid dropping or applying side-load force to the spindle, as this can damage the measuring faces or affect calibration. Periodic recalibration against a certified gauge block or standard is recommended per shop quality system requirements.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Measurement\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Measurement\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperation Type\u003c\/strong\u003e: Electronic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.0001 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduation\u003c\/strong\u003e: 0.0001 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnvil Type\u003c\/strong\u003e: Ball\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnvil Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnvil Diameter\u003c\/strong\u003e: 6.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Type\u003c\/strong\u003e: Spherical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Material\u003c\/strong\u003e: SUS420F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 6.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThimble Type\u003c\/strong\u003e: Ratchet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLock Nut Type\u003c\/strong\u003e: Positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Counter\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotating Spindle\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ASME B89.1.13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 7 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 3.4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 0.97 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: CMS220519022\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51690759979314,"sku":"CMS220519022","price":332.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3bbfad0172d1ae0a7d9ebbaf3dc4eea9.jpg?v=1788275164","url":"https:\/\/voomisupply.com\/products\/spi-cms220519022-ball-anvil-electronic-micrometer","provider":"Voomi Supply","version":"1.0","type":"link"}