{"product_id":"mitutoyo-103-139-10-mechanical-outside-micrometer","title":"Mitutoyo 103-139-10 Mechanical Outside Micrometer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MITUTOYO 103-139-10 is a mechanical outside micrometer built for dimensional measurement of external workpiece features in workshop and field environments. It delivers a graduation of 0.01 inches and an accuracy of 0.0001 inches, making it suitable for precision measurement tasks where repeatable results are required. The ratchet stop thimble controls measuring force consistently across readings, reducing operator variation. The measuring faces and anvil are solid carbide for long-term wear resistance. The lightweight workshop design keeps the tool manageable during extended use. A standard bar is included for calibration verification.\u003c\/p\u003e\u003cp\u003eThis micrometer is used in metalworking, machining, tooling, and general industrial inspection wherever outside diameter or thickness must be confirmed to four decimal places. It suits bench-level quality control work in job shops, production floors, and maintenance shops. Calibration technicians, machinists, and tool-and-die professionals are the primary users. The solid carbide contact surfaces extend service life in abrasive or high-cycle environments compared to standard steel faces.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGraduation of 0.01 inches with 0.0001-inch accuracy for precise outside measurements\u003c\/li\u003e\n\u003cli\u003eSolid carbide anvil and measuring face for extended wear resistance\u003c\/li\u003e\n\u003cli\u003eRatchet stop thimble provides consistent, repeatable measuring force\u003c\/li\u003e\n\u003cli\u003eLightweight workshop design for reduced hand fatigue during extended use\u003c\/li\u003e\n\u003cli\u003eNon-rotating spindle prevents part marking and improves measurement stability\u003c\/li\u003e\n\u003cli\u003eIncludes standard bar for field calibration verification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard outside micrometer for general workshop and inspection use with workpieces requiring outside dimensional measurement to 0.0001-inch resolution.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eOutside micrometers require no installation but should be handled and stored by a qualified metrologist or machinist following the tool manufacturer's care guidelines. Before use, verify zero calibration with the included standard bar and wipe all contact surfaces clean. Store in the provided case away from temperature extremes, vibration, and direct contact with other tools. Do not overtighten the thimble or force the spindle against a workpiece.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduation\u003c\/strong\u003e: 0.01 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.0001 inches (2.00 micrometers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnvil Type\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring Face Material\u003c\/strong\u003e: Solid Carbide\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: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Counter\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThroat Depth\u003c\/strong\u003e: 49.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Diameter\u003c\/strong\u003e: 6.35 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Enamel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: Standard Bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.27 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: MITUTOYO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 103-139-10\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51564264784178,"sku":"103-139-10","price":202.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/43cdb3d168e3240b08cff8ff27a63d8b.jpg?v=1786515752","url":"https:\/\/voomisupply.com\/products\/mitutoyo-103-139-10-mechanical-outside-micrometer","provider":"Voomi Supply","version":"1.0","type":"link"}