{"product_id":"spi-19-678-2-class-zz-minus-plug-pin-gage-0-678-in","title":"Spi 19-678-2 Class Zz Minus Plug Pin Gage 0.678 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 19-678-2 is a Class ZZ minus plug pin gage with a nominal diameter of 0.678 inches, manufactured from steel. Plug pin gages are precision measurement tools used to verify the diameter of drilled, reamed, or bored holes to a known tolerance. The Class ZZ designation indicates a commercial-grade tolerance level suited for general inspection and go\/no-go gauging in production environments. With a tolerance of 0.0002 inches (minus), this gage gives machinists, toolmakers, and quality technicians a reliable reference for checking hole size conformance on the shop floor or in an inspection room.\u003c\/p\u003e\n\u003cp\u003eThis gage is used in manufacturing, machining, and quality control applications where hole diameter verification is required. It is appropriate for checking holes in metal, plastic, or composite workpieces across a range of industries including general metalworking, fabrication, and light industrial production. The 0.678-inch diameter makes it suitable for mid-range bore inspection tasks commonly encountered in standard machining operations. It is typically used as part of a go\/no-go gauging process during in-process or final inspection.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ minus tolerance of 0.0002 inches for commercial-grade hole inspection\u003c\/li\u003e\n  \u003cli\u003eNominal diameter of 0.678 inches for mid-range bore gauging applications\u003c\/li\u003e\n  \u003cli\u003eSteel construction for durability and dimensional stability in shop environments\u003c\/li\u003e\n  \u003cli\u003eSingle-piece design for straightforward go\/no-go plug gauging use\u003c\/li\u003e\n  \u003cli\u003eCompact and lightweight at 0.2 pounds for easy handling during inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Class ZZ minus plug pin gage for use in general inspection and quality control applications requiring verification of 0.678-inch nominal hole diameters.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlug pin gages are handled and used by machinists, toolmakers, and quality control technicians. Clean the gage and the hole being checked before use to prevent debris from affecting the measurement. Do not force the gage into a hole; light hand pressure is sufficient for accurate go\/no-go evaluation. Store the gage in a protective case away from temperature extremes and moisture to preserve its dimensional accuracy.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 0.678 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance\u003c\/strong\u003e: 0.0002 inches (minus)\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\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  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 19-678-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51690282254642,"sku":"19-678-2","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a00b794c18e050dac71ecf79e259ddfa.jpg?v=1788268099","url":"https:\/\/voomisupply.com\/products\/spi-19-678-2-class-zz-minus-plug-pin-gage-0-678-in","provider":"Voomi Supply","version":"1.0","type":"link"}