{"product_id":"starrett-65052-mechanical-micrometer-head-0-5-inch-range","title":"Starrett 65052 Mechanical Micrometer Head 0.5 Inch Range","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe STARRETT 65052 is a mechanical micrometer head designed for precision linear measurement in tooling, machining, and metrology applications. It delivers an accuracy of 0.000050 inches over a maximum measurement range of 0.5 inches, making it suitable for close-tolerance work where repeatable readings are critical. The satin chrome finish resists glare and corrosion in shop environments. The advanced sleeve features staggered graduation lines and distinct figures that reduce reading errors during use. Licensed machinists, toolmakers, and metrologists typically integrate this head into custom fixtures, stages, and precision positioning assemblies.\u003c\/p\u003e\n\u003cp\u003eThe 65052 is used in machine shop and metrology settings where a standalone micrometer head must be mounted into a custom or OEM fixture. With a flat spindle tip and a stem diameter of 9.53 millimeters (0.375 inches), it fits standard micrometer head bores in positioning stages, depth stops, and measuring fixtures. The compact thimble diameter of 13.49 millimeters (0.531 inches) keeps the overall envelope tight for confined mounting situations. This head is sold as a single unit and is intended for replacement or new-build precision instrument assemblies.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAccuracy of 0.000050 inches for close-tolerance measurement applications\u003c\/li\u003e\n  \u003cli\u003eAdvanced sleeve design with staggered lines and distinct figures for fast, low-error readability\u003c\/li\u003e\n  \u003cli\u003eFlat spindle tip for consistent contact on flat workpiece surfaces\u003c\/li\u003e\n  \u003cli\u003eSatin chrome finish reduces glare and provides corrosion resistance in shop environments\u003c\/li\u003e\n  \u003cli\u003eCompact thimble diameter of 13.49 millimeters (0.531 inches) suits tight fixture envelopes\u003c\/li\u003e\n  \u003cli\u003eQuick-adjust mechanism for efficient zero-setting and range changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a replacement or new-build micrometer head for precision positioning fixtures, measuring stages, and custom tooling assemblies that accept a standard 9.53-millimeter stem diameter micrometer head with a 0.5-inch measurement range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a toolmaker or metrologist using standard clamping or locking-nut fixtures that secure the stem. Ensure the mounting bore is clean and free of chips before seating the stem to avoid introducing runout or misalignment. Do not overtighten clamping hardware against the stem, as this can distort the barrel and affect accuracy. Verify zero calibration after mounting before taking measurements.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.000050 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Measurement Range\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Shape\u003c\/strong\u003e: Flat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 5.08 millimeters (0.200 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Length\u003c\/strong\u003e: 19.05 millimeters (0.750 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThimble Diameter\u003c\/strong\u003e: 13.49 millimeters (0.531 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: 9.53 millimeters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Length\u003c\/strong\u003e: 12.70 millimeters (0.500 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Chrome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Reading\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: STARRETT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 65052\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STARRETT","offers":[{"title":"Default Title","offer_id":51542978593074,"sku":"65052","price":179.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e977e085ffe5d1bf4bc07ae5a24653a5.jpg?v=1785912907","url":"https:\/\/voomisupply.com\/products\/starrett-65052-mechanical-micrometer-head-0-5-inch-range","provider":"Voomi Supply","version":"1.0","type":"link"}