{"product_id":"mitutoyo-123-102-mechanical-disc-micrometer-25-50mm","title":"Mitutoyo 123-102 Mechanical Disc Micrometer 25-50mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MITUTOYO 123-102 is a mechanical disc micrometer designed for precision measurement of parts where a standard anvil cannot make proper contact, such as grooves, keyways, and recessed features. It covers a measuring range of 25 to 50mm and delivers 0.001mm resolution with 4 micrometer accuracy. The ratchet stop thimble provides consistent measuring force across repeated measurements, reducing operator-to-operator variation. The satin chrome finish resists corrosion and reduces glare during use. This instrument is used by machinists, quality control technicians, and tool-and-die professionals in manufacturing and inspection environments.\u003c\/p\u003e\n\u003cp\u003eThe 123-102 is suited for applications where a conventional flat anvil cannot seat properly against the workpiece. The 20mm disc anvil with a 0.70mm edge thickness allows contact inside narrow slots, grooves, and similar recessed geometry. The rotating spindle with a 6.35mm spindle diameter accommodates a range of part configurations. It carries an IP65 water resistance rating, making it suitable for use in light coolant environments on the shop floor. A plastic case is included for storage and transport. Data output capability supports integration with SPC data collection systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e25 to 50mm measuring range with 0.001mm resolution\u003c\/li\u003e\n  \u003cli\u003e4 micrometer accuracy for high-precision inspection tasks\u003c\/li\u003e\n  \u003cli\u003e20mm disc anvil with 0.70mm edge thickness for narrow groove and keyway measurement\u003c\/li\u003e\n  \u003cli\u003eRatchet stop thimble ensures repeatable, consistent measuring force\u003c\/li\u003e\n  \u003cli\u003eIP65 water resistance rating for shop floor and light coolant environments\u003c\/li\u003e\n  \u003cli\u003eData output port supports SPC and statistical process control integration\u003c\/li\u003e\n  \u003cli\u003eTUV Certified and includes plastic storage case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-use mechanical disc micrometer for inspection and machining applications requiring measurement of grooves, slots, and recessed features in the 25 to 50mm range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis instrument is used by metrology technicians and quality control personnel and does not require installation in the traditional sense. Before use, clean the disc anvil and spindle face with a lint-free cloth and verify the zero setting against a reference standard. The SR44 battery included powers the data output function. Do not overtighten the thimble or apply lateral force to the disc anvil, as this can affect calibration and damage the disc edge.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e: 25 to 50mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 0.001mm (0.00005 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduation\u003c\/strong\u003e: 0.01mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 4 micrometers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisc Diameter\u003c\/strong\u003e: 20mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisc Edge Thickness\u003c\/strong\u003e: 0.70mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 6.35mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperation Type\u003c\/strong\u003e: Mechanical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThimble Type\u003c\/strong\u003e: Ratchet Stop\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotating Spindle\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Output\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnvil Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Chrome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Resistance Rating\u003c\/strong\u003e: IP65\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery\u003c\/strong\u003e: SR44 (1 included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Plastic Case\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification\u003c\/strong\u003e: TUV Certified\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: MITUTOYO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 123-102\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51559563919666,"sku":"123-102","price":364.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/174ed2299ed8230de08336fc7e22f954.jpg?v=1786435401","url":"https:\/\/voomisupply.com\/products\/mitutoyo-123-102-mechanical-disc-micrometer-25-50mm","provider":"Voomi Supply","version":"1.0","type":"link"}