{"product_id":"mitutoyo-139167-extension-rod-precision-measuring","title":"Mitutoyo 139167 Extension Rod Precision Measuring","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MITUTOYO 139167 is an extension rod accessory designed to extend the reach of drop indicators and other precision measuring instruments. This rod allows technicians to position the measuring contact at greater depths or distances than the standard spindle travel permits, making it useful when measuring recessed surfaces, deep bores, or hard-to-reach features. Machined to maintain measurement accuracy, it connects directly to compatible drop indicator spindles. Metrology technicians, quality control inspectors, and precision machinists install this type of accessory as part of a complete measurement setup on surface plates, CMM fixtures, or dial indicator holders.\u003c\/p\u003e\u003cp\u003eThis extension rod is suited for use in precision measurement applications across industrial, manufacturing, and quality assurance environments. It is compatible with drop indicators and precision measuring tools and instruments where additional spindle reach is required. The accessory is sold individually and is not calibrated or supplied with a traceability certificate, so it is intended as a mechanical extension rather than a certified measurement artifact.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eExtends the effective reach of drop indicator spindles for deep or recessed measurements\u003c\/li\u003e\n\u003cli\u003eDesigned for use with precision measuring tools and instruments\u003c\/li\u003e\n\u003cli\u003eSold as a single unit with a minimum order quantity of one\u003c\/li\u003e\n\u003cli\u003eNot calibrated — functions as a mechanical extension accessory\u003c\/li\u003e\n\u003cli\u003eNo traceability certification included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a drop indicator extension rod accessory for use with precision measuring tools and instruments. Confirm spindle thread size and stem diameter compatibility with your specific drop indicator model before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by metrology technicians or qualified machinists. Before attaching or removing the extension rod, ensure the drop indicator is dismounted from any active fixture to prevent accidental contact damage to the instrument. Verify that the thread engagement is secure and that no lateral load is applied to the extension during measurement, as side forces can introduce error. Follow the instrument manufacturer guidelines for maximum spindle extension length to avoid exceeding measurement accuracy specifications.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Type\u003c\/strong\u003e: Extension Rod\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Use With\u003c\/strong\u003e: Precision Measuring Tools and Instruments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrated\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraceability Certification Included\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\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: 139167\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51560731246898,"sku":"139167","price":18.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/205d3ac95473efaf3cc84f4cf0dc67d3.jpg?v=1786456371","url":"https:\/\/voomisupply.com\/products\/mitutoyo-139167-extension-rod-precision-measuring","provider":"Voomi Supply","version":"1.0","type":"link"}