{"product_id":"mitutoyo-3416a-dial-drop-indicator-1-in-0-001-grad","title":"Mitutoyo 3416A Dial Drop Indicator 1 in 0.001 Grad","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MITUTOYO 3416A is a dial drop indicator designed for precision measurement in manufacturing, machining, and inspection applications. It features a 1-inch total measurement range with 0.001-inch graduations and a 0-100 dial reading scale, allowing for accurate surface variation and runout checks. The 3-inch white dial face provides clear readability, and the built-in revolution counter tracks full cycles across the 0.1-inch range per revolution. Accuracy is rated at 0.002 inches per ANSI\/AGD standards. The lug back mount and 0.375-inch stem diameter make it compatible with standard indicator holders and magnetic bases used across tool rooms, production floors, and quality labs.\u003c\/p\u003e\u003cp\u003eThis drop indicator is suited for dimensional inspection work in precision machining, toolroom setups, and quality control environments. It mounts vertically with the contact point moving in a vertical drop motion, making it the preferred style for transfer measurements, bore gauging setups, and surface plate work. The ANSI\/AGD Group 3 classification confirms it meets recognized dimensional standards for dial indicators used in industrial and commercial inspection.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1-inch total measurement range with 0.001-inch dial graduations\u003c\/li\u003e\n\u003cli\u003e3-inch white dial face with 0-100 reading scale for easy readability\u003c\/li\u003e\n\u003cli\u003eRevolution counter tracks full 0.1-inch-per-revolution cycles\u003c\/li\u003e\n\u003cli\u003eAccuracy of 0.002 inches per ANSI\/AGD standards\u003c\/li\u003e\n\u003cli\u003eLug back mount with 0.375-inch stem diameter fits standard indicator holders\u003c\/li\u003e\n\u003cli\u003eThread size 4-48 and M2.5 x 0.45 for contact point compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style drop indicator compatible with standard AGD Group 3 indicator holders, magnetic base arms, and surface plate fixtures that accept a 0.375-inch stem diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eDrop indicators are typically installed by machinists, quality technicians, and metrologists using standard indicator holders or magnetic base assemblies. Ensure the stem is securely clamped without side-loading the spindle, as this can affect accuracy readings. Zero the dial before taking measurements and verify the contact point thread engagement matches the 4-48 or M2.5 x 0.45 specification. Keep the spindle and stem clean and free of chips or coolant contamination to maintain measurement integrity.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Graduation\u003c\/strong\u003e: 0.001 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Reading\u003c\/strong\u003e: 0-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 0.002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange Per Revolution\u003c\/strong\u003e: 0.1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Diameter\u003c\/strong\u003e: 3 inches (76.20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial Color\u003c\/strong\u003e: White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: 0.375 inches (8.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 137.40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Type\u003c\/strong\u003e: Lug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-48 and M2.5 x 0.45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring Force\u003c\/strong\u003e: 1.80 N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevolution Counter\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\/AGD Group 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: English\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: 3416A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MITUTOYO","offers":[{"title":"Default Title","offer_id":51559566246194,"sku":"3416A","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d6009f5f14d1cd241905711124fa9331.jpg?v=1786435488","url":"https:\/\/voomisupply.com\/products\/mitutoyo-3416a-dial-drop-indicator-1-in-0-001-grad","provider":"Voomi Supply","version":"1.0","type":"link"}