{"product_id":"spi-19-409-2-class-zz-minus-plug-pin-gage-0-409-in","title":"Spi 19-409-2 Class Zz Minus Plug Pin Gage 0.409 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 19-409-2 is a Class ZZ minus plug pin gage used to verify bore and hole diameters in precision machining and inspection work. It measures a nominal diameter of 0.409 inches with a minus tolerance of 0.0002 inches, confirming that a hole meets its lower acceptance limit. The gage is constructed from steel for durability and dimensional stability under shop conditions. Machinists, quality control technicians, and tool-and-die professionals use pin gages like this one as part of go\/no-go inspection routines or as a standalone check tool during production runs.\u003c\/p\u003e\n\u003cp\u003eThis gage is suited for inspection of machined bores, drilled holes, punched openings, and reamed passages where tight dimensional control is required. Class ZZ gages are the working-grade standard for production inspection environments. The 0.409-inch diameter covers a common range used in light mechanical assemblies, jig and fixture work, and quality audits in both job-shop and production-floor settings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal diameter of 0.409 inches for precise hole verification\u003c\/li\u003e\n  \u003cli\u003eClass ZZ minus tolerance of 0.0002 inches for production-grade inspection\u003c\/li\u003e\n  \u003cli\u003eSteel construction for wear resistance and dimensional stability\u003c\/li\u003e\n  \u003cli\u003eSingle-piece design suitable for go\/no-go and attribute inspection use\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.2 pounds for easy handling during inspection routines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Class ZZ minus plug gage for use with any inspection setup, gage block set, or pin gage handle that accepts a 0.409-inch diameter pin in production or quality control environments.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePin gages should be handled with clean cotton or nitrile gloves to prevent corrosion from skin oils. Store the gage in its original case or a protective sleeve when not in use to avoid nicks or surface damage that would affect accuracy. Calibrate or verify against a traceable standard at regular intervals per your shop quality plan. No power source or special tooling is required for use.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 0.409 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance (Decimal Inch)\u003c\/strong\u003e: 0.0002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance (mm)\u003c\/strong\u003e: 0.0002 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGage Class\u003c\/strong\u003e: ZZ Minus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 pounds\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: SPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 19-409-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51707625636146,"sku":"19-409-2","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6cab44cf02beab3596f39d696cf0d45c.jpg?v=1788441302","url":"https:\/\/voomisupply.com\/products\/spi-19-409-2-class-zz-minus-plug-pin-gage-0-409-in","provider":"Voomi Supply","version":"1.0","type":"link"}