{"product_id":"spi-19-633-7-class-zz-minus-plug-pin-gage-0-633-in","title":"Spi 19-633-7 Class Zz Minus Plug Pin Gage 0.633 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 19-633-7 is a Class ZZ minus plug pin gage used to verify bore and hole diameters to a high degree of dimensional accuracy. Machined from steel, this pin gage checks whether a feature meets its minimum size condition using a minus tolerance convention. The 19-633-7 carries a tolerance of 0.0002 inches, placing it in the Class ZZ category suited for production inspection work where close but not ultra-precision tolerances are required. Machinists, quality control technicians, and tool and die professionals rely on plug pin gages like this to confirm hole acceptance quickly and reliably during in-process and final inspection.\u003c\/p\u003e\n\u003cp\u003eThis gage is appropriate for use in manufacturing shops, machine shops, and quality inspection environments where 0.633-inch nominal diameter holes must be verified. It fits standard pin gage handle systems, allowing it to be used as part of a larger set or as a standalone go or no-go check depending on inspection protocol. Typical applications include verifying drilled, reamed, or bored holes in metal components across general machining and precision fabrication workflows.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ minus tolerance classification for production-level bore inspection\u003c\/li\u003e\n  \u003cli\u003e0.0002 inches tolerance for reliable dimensional verification\u003c\/li\u003e\n  \u003cli\u003e0.633-inch nominal diameter for direct hole size checking\u003c\/li\u003e\n  \u003cli\u003eSteel construction for durability in shop floor environments\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard plug gage handle systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-use plug pin gage for standard handle-style pin gage sets used in production inspection of 0.633-inch nominal diameter features.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePin gages are handled and used by quality technicians and machinists following standard metrology practices. Store pin gages in a protective case and apply a light coat of instrument oil when not in use to prevent corrosion. Do not force a pin gage into a hole; insertion should be smooth with light hand pressure only. Clean gaging surfaces and the part being inspected before use to ensure accurate readings.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 0.633 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 Class\u003c\/strong\u003e: Class 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: 19-633-7\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51700030144818,"sku":"19-633-7","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bae747ff5c423f909ed62cc5d685a2d9.jpg?v=1788385153","url":"https:\/\/voomisupply.com\/products\/spi-19-633-7-class-zz-minus-plug-pin-gage-0-633-in","provider":"Voomi Supply","version":"1.0","type":"link"}