{"product_id":"spi-29-340-7-class-zz-plus-plug-gage-0-34-inch","title":"Spi 29-340-7 Class Zz Plus Plug Gage 0.34 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 29-340-7 is a Class ZZ Plus plug gage designed to verify the internal diameter of bored, drilled, or reamed holes with a nominal size of 0.34 inches. Manufactured from steel, this go\/no-go style gage provides a tolerance of 0.0002 inches, meeting Class ZZ Plus accuracy standards used in quality control and inspection applications. The 29-340-7 is a hand-held precision tool used by machinists, quality technicians, and tool-and-die professionals to confirm that a hole falls within an acceptable dimensional range before downstream assembly or finishing operations proceed.\u003c\/p\u003e\n\u003cp\u003eThis plug gage is suited for use in machine shops, manufacturing facilities, and precision fabrication environments where hole diameter verification is a routine part of process control. It is appropriate for both production-floor inspection and incoming-material verification. The 0.34-inch nominal diameter makes it a common size for applications involving threaded inserts, bushings, pins, and similar components that require tight hole-tolerance compliance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ Plus tolerance rating at 0.0002 inches for precision dimensional inspection\u003c\/li\u003e\n  \u003cli\u003eNominal measurement diameter of 0.34 inches\u003c\/li\u003e\n  \u003cli\u003eSteel construction for durability and dimensional stability during repeated use\u003c\/li\u003e\n  \u003cli\u003eLightweight at 0.2 pounds for comfortable hand-held use during inspection\u003c\/li\u003e\n  \u003cli\u003eSingle-piece packaging suitable for individual replacement or addition to an inspection kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or standard addition for use with 0.34-inch nominal diameter hole inspection requirements in precision machining and quality control environments.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlug gages are handled and used by quality technicians or machinists and require no permanent installation. Store the gage in a clean, dry location away from abrasive surfaces to prevent wear on the precision-ground surfaces. Handle with care and avoid dropping, as impact can alter the ground diameter and affect measurement accuracy. Calibrate or verify the gage against a traceable standard on a schedule consistent with your facility quality management plan.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Diameter\u003c\/strong\u003e: 0.34 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 (mm)\u003c\/strong\u003e: 0.0002 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGage Class\u003c\/strong\u003e: 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: 29-340-7\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51706387726642,"sku":"29-340-7","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e9a0aac659370ec44bbd69a8a8b12107.jpg?v=1788434126","url":"https:\/\/voomisupply.com\/products\/spi-29-340-7-class-zz-plus-plug-gage-0-34-inch","provider":"Voomi Supply","version":"1.0","type":"link"}