{"product_id":"spi-19-771-5-class-zz-minus-plug-pin-gage-0-771-in","title":"Spi 19-771-5 Class Zz Minus Plug Pin Gage 0.771 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 19-771-5 is a Class ZZ minus plug pin gage designed for checking hole diameters in machined parts and assemblies. It measures 0.771 inches in diameter and is manufactured from steel for durability and dimensional stability under shop conditions. The minus tolerance designation means the gage is made to the low side of the nominal size, following standard GO gage convention. With a tolerance of 0.0002 inches, this gage provides reliable verification for quality control checks in production and maintenance environments. Machinists, toolmakers, and quality technicians use plug pin gages as a fast, repeatable method to confirm bore size without the need for indicating instruments.\u003c\/p\u003e\n\u003cp\u003eThis gage is suited for use in machine shops, manufacturing facilities, and maintenance shops where hole diameter verification is part of standard inspection procedures. It is appropriate for both production line go\/no-go checks and general dimensional inspection work. The 0.771-inch nominal size covers a common bore diameter found in a range of mechanical components. It is a single-piece, hand-held tool that fits into standard gage holding fixtures and storage sets.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ tolerance grade for standard workshop and production inspection\u003c\/li\u003e\n  \u003cli\u003eMinus plug designation for GO-gage applications per standard gage convention\u003c\/li\u003e\n  \u003cli\u003e0.771-inch nominal diameter for direct hole size verification\u003c\/li\u003e\n  \u003cli\u003e0.0002-inch tolerance for consistent and repeatable dimensional checking\u003c\/li\u003e\n  \u003cli\u003eSteel construction for wear resistance and long service life under shop conditions\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 machining and inspection applications requiring verification of 0.771-inch nominal bore diameters.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlug pin gages are used by machinists and quality control technicians and require no installation. Before use, clean both the gage and the bore being checked to remove chips, oil, or debris that could affect accuracy. Handle gages with care to avoid dropping, as impact damage can alter the precision ground diameter. Store in a protective case away from other tools to prevent surface damage and maintain calibration integrity.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Diameter\u003c\/strong\u003e: 0.771 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  \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: 19-771-5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51690429415730,"sku":"19-771-5","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/efbb05fa5d9023550b8e81bfa5d27cd5.jpg?v=1788270055","url":"https:\/\/voomisupply.com\/products\/spi-19-771-5-class-zz-minus-plug-pin-gage-0-771-in","provider":"Voomi Supply","version":"1.0","type":"link"}