{"product_id":"mitutoyo-150-208-mechanical-micrometer-head-1-inch","title":"Mitutoyo 150-208 Mechanical Micrometer Head 1 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MITUTOYO 150-208 is a mechanical micrometer head designed for precise linear measurement in machining, inspection, and instrumentation applications. It delivers a measurement range of 0 to 1 inch with an accuracy of 0.0001 inch, making it suitable for high-tolerance work where repeatable positioning is critical. The head features a ratchet stop thimble with a 0.7087 inch (18 mm) diameter, a flat rotating spindle with a carbide-tipped measuring face, and a chrome-plated finish for corrosion resistance. Licensed metrology technicians, machinists, and quality control professionals typically install and use this type of head in precision fixtures, stages, and custom measurement setups.\u003c\/p\u003e\n\u003cp\u003eThis micrometer head is used in precision measurement fixtures, optical bench setups, machine tool positioning systems, and metrology instrumentation where fine linear adjustment is required. The 1\/4 inch (6.35 mm) diameter spindle extends 27 mm (approximately 1.063 inches) and mates with a plain stem measuring 0.375 inch diameter by 15 mm long. It is suited for both shop-floor and laboratory environments where manual, mechanical actuation is preferred over digital or motorized alternatives.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRatchet stop thimble provides consistent measuring force and repeatable readings\u003c\/li\u003e\n  \u003cli\u003eCarbide-tipped flat spindle face resists wear during extended use\u003c\/li\u003e\n  \u003cli\u003e0.0001 inch accuracy over a 0 to 1 inch measurement range\u003c\/li\u003e\n  \u003cli\u003eFlat rotating spindle end suits flush-contact and non-marring applications\u003c\/li\u003e\n  \u003cli\u003eChrome-plated finish on body for corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003ePlain stem design allows straightforward mounting in standard bored fixtures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standalone mechanical micrometer head for integration into precision fixtures, custom measurement devices, and instrumentation setups requiring a 0.375 inch plain stem mount and a 1\/4 inch flat spindle.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by machinists or metrologists integrating the head into a fixture or instrument frame. Secure the plain stem into the mounting bore before applying any load to the spindle. Avoid over-tightening the stem clamp, as excess clamping force can affect spindle travel and measurement accuracy. Always verify zero calibration after mounting and before taking measurements.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e: 0 to 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.0001 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduation\u003c\/strong\u003e: 0.0001 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThimble Diameter\u003c\/strong\u003e: 0.7087 inch (18 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 0.25 inch (6.35 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Length\u003c\/strong\u003e: 27 mm (approximately 1.063 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Shape\u003c\/strong\u003e: Flat, rotating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpindle Face\u003c\/strong\u003e: Carbide-tipped\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: 0.375 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStem Length\u003c\/strong\u003e: 15 mm (approximately 0.591 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4.29 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Chrome-plated\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: MITUTOYO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 150-208\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51563193762098,"sku":"150-208","price":109.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7b5a56562b2ba04c11b2c28d942dcb0d.jpg?v=1786492703","url":"https:\/\/voomisupply.com\/products\/mitutoyo-150-208-mechanical-micrometer-head-1-inch","provider":"Voomi Supply","version":"1.0","type":"link"}