{"product_id":"spi-29-030-4-class-zz-plus-plug-gage-0-03-in-steel","title":"Spi 29-030-4 Class Zz Plus Plug Gage 0.03 in Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SPI 29-030-4 is a Class ZZ Plus plug gage designed for precision bore and hole measurement in machining and quality-control applications. Measuring a nominal diameter of 0.03 inches with a tolerance of 0.0002 inches, this gage delivers the accuracy required for tight-tolerance inspection work. Constructed from steel for durability and dimensional stability, the 29-030-4 is a go\/no-go style reference tool used to verify that machined holes meet specified diameter requirements. Machinists, toolmakers, and quality-control technicians rely on Class ZZ plug gages as a standard part of in-process and final inspection workflows.\u003c\/p\u003e\u003cp\u003eThis gage is suited for inspection of small-diameter bores in precision machined components across aerospace, automotive, medical device, and general manufacturing environments. The 0.03-inch diameter makes it appropriate for very fine bore verification where standard pin gages or calipers lack the resolution needed to confirm conformance. It is commonly used at inspection stations, on the shop floor, or at receiving inspection to validate vendor-supplied parts.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.03-inch nominal measurement diameter for small-bore inspection\u003c\/li\u003e\n\u003cli\u003eClass ZZ Plus tolerance of 0.0002 inches for precision go\/no-go verification\u003c\/li\u003e\n\u003cli\u003eSteel construction for dimensional stability and wear resistance\u003c\/li\u003e\n\u003cli\u003eCompact, single-piece design suited for bench or floor inspection use\u003c\/li\u003e\n\u003cli\u003ePackaged individually — quantity of one per unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard Class ZZ Plus plug gage for use in any inspection application requiring precision verification of a 0.03-inch nominal bore diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003ePlug gages are inspection tools and do not require installation. Handle with clean, dry hands or lint-free gloves to prevent corrosion and dimensional contamination. Store in a protective case away from temperature extremes to maintain calibration integrity. Periodic recertification against NIST-traceable standards is recommended per applicable quality system requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter of Measurement\u003c\/strong\u003e: 0.03 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance\u003c\/strong\u003e: 0.0002 inches\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\u003eGage Class\u003c\/strong\u003e: ZZ Plus\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 29-030-4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51709184246066,"sku":"29-030-4","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/10ba242ae4ff89b5feb07f7b3e899565.jpg?v=1788452503","url":"https:\/\/voomisupply.com\/products\/spi-29-030-4-class-zz-plus-plug-gage-0-03-in-steel","provider":"Voomi Supply","version":"1.0","type":"link"}