{"product_id":"mitutoyo-167-153-flat-end-micrometer-calibration-standard","title":"Mitutoyo 167-153 Flat End Micrometer Calibration Standard","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MITUTOYO 167-153 is a flat end micrometer calibration standard used to verify and maintain the accuracy of outside micrometers in professional metrology and precision measurement work. At 13 inches in length, it provides a reference span suitable for checking larger-range outside micrometers. Accuracy is rated at 0.00025 inches, ensuring that calibration checks meet tight tolerance requirements. The unit is factory-calibrated and ships ready for use. A heat insulating handle is included to minimize thermal expansion errors caused by hand contact during measurement, which is critical when working at tenths-level tolerances.\u003c\/p\u003e\n\u003cp\u003eThis calibration standard is intended for use in tool rooms, calibration labs, machine shops, and quality control environments where outside micrometers require periodic verification. It suits applications where gauge blocks or ring gauges are impractical for long-span checks. Technicians and metrologists use standards like the 167-153 as part of routine instrument calibration protocols to maintain traceability and measurement integrity across production and inspection operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e13-inch length provides reference span for large-range outside micrometer calibration\u003c\/li\u003e\n  \u003cli\u003eAccuracy rated at 0.00025 inches for tenths-level verification work\u003c\/li\u003e\n  \u003cli\u003eFlat end geometry for consistent, repeatable anvil contact\u003c\/li\u003e\n  \u003cli\u003eFactory-calibrated and ready for immediate use\u003c\/li\u003e\n  \u003cli\u003eIncludes heat insulating handle to reduce thermal growth error during handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with outside micrometers requiring a 13-inch calibration reference standard.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eCalibration standards should be handled only by qualified metrologists or trained calibration technicians. Always allow the standard to thermally stabilize to the measurement environment before use, and handle exclusively by the heat insulating handle to avoid transferring body heat to the gauge body. Store in the provided case away from vibration, moisture, and temperature extremes when not in use.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 13 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.00025 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Shape\u003c\/strong\u003e: Flat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Insulating Handle Included\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Use With\u003c\/strong\u003e: Outside Micrometer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 41111600\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: 167-153\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51560750481714,"sku":"167-153","price":95.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/509a94dbcacb8fbbc01972a7cc4eacc2.jpg?v=1786456560","url":"https:\/\/voomisupply.com\/products\/mitutoyo-167-153-flat-end-micrometer-calibration-standard","provider":"Voomi Supply","version":"1.0","type":"link"}