{"product_id":"spi-29-579-0-class-zz-plus-plug-gage-0-579-in-dia","title":"Spi 29-579-0 Class Zz Plus Plug Gage 0.579 in Dia","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 29-579-0 is a Class ZZ Plus plug gage designed to verify bore and hole diameters to a nominal size of 0.579 inches. Built from steel, it delivers a dimensional tolerance of 0.0002 inches, making it suitable for go\/no-go inspection work in production and quality-control environments. Machinists, tool-and-die technicians, and quality inspectors use plug gages like this one to confirm that drilled, reamed, or bored holes meet tight dimensional requirements before parts proceed to assembly. The Class ZZ Plus designation indicates a ground-finish tolerance class appropriate for general workshop and inspection use.\u003c\/p\u003e\n\u003cp\u003eThis plug gage is used in machine shops, manufacturing facilities, and maintenance environments where precise hole verification is required. It is well suited for checking work-piece bores in metal fabrication and light mechanical assembly applications. The 0.579-inch nominal diameter targets a specific hole size common in precision-component work, and the tight 0.0002-inch tolerance supports consistent, repeatable inspection results across production runs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ Plus tolerance class for general-purpose precision inspection\u003c\/li\u003e\n  \u003cli\u003eNominal measurement diameter of 0.579 inches for targeted hole checking\u003c\/li\u003e\n  \u003cli\u003eDimensional tolerance of 0.0002 inches for reliable go\/no-go verification\u003c\/li\u003e\n  \u003cli\u003eSteel construction for durability and wear resistance in shop environments\u003c\/li\u003e\n  \u003cli\u003eCompact and lightweight at 0.2 pounds for easy single-hand use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-use plug gage for inspecting holes and bores with a nominal diameter of 0.579 inches in standard shop and quality-control applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlug gages are handled and applied by machinists or quality-inspection personnel and require no permanent installation. Clean the gage and the bore being checked before use to prevent debris from affecting measurement accuracy. Store the gage in a protective case away from temperature extremes to maintain dimensional stability. Do not force the gage into undersized bores, as this can damage the gage surface and compromise future measurement integrity.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 0.579 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance\u003c\/strong\u003e: 0.0002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance (Metric)\u003c\/strong\u003e: 0.0002 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Class\u003c\/strong\u003e: Class ZZ Plus\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: 29-579-0\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51722237968690,"sku":"29-579-0","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/70b0cfb6098e6d1a76cf6d6b8ef3a329.jpg?v=1788587954","url":"https:\/\/voomisupply.com\/products\/spi-29-579-0-class-zz-plus-plug-gage-0-579-in-dia","provider":"Voomi Supply","version":"1.0","type":"link"}