{"product_id":"spi-19-166-8-class-zz-minus-plug-pin-gage-0-166-in","title":"Spi 19-166-8 Class Zz Minus Plug Pin Gage 0.166 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SPI 19-166-8 is a Class ZZ minus plug pin gage used to verify hole diameters and bore tolerances in precision machining and inspection work. At 0.166 inches in diameter with a minus tolerance of 0.000200 inches, this gage is designed to confirm that a hole is at or within its lower dimensional limit. Machined from steel for durability and dimensional stability, it is a go\/no-go style reference tool suited for quality control stations, toolrooms, and production floor inspection. Metrologists, machinists, and QC technicians use plug pin gages as part of standard dimensional verification workflows.\u003c\/p\u003e\n\u003cp\u003eClass ZZ plug gages are intended for inspection of general-purpose holes where close but not ultra-precision tolerances are required. The 0.166-inch diameter makes this gage applicable to small-bore inspection tasks common in metal fabrication, mechanical assembly, and manufacturing quality control environments. It is a single-piece pin gage that is hand-held and used in direct insertion checks.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass ZZ minus tolerance grade for lower-limit hole inspection\u003c\/li\u003e\n  \u003cli\u003e0.166 inch nominal diameter for small-bore applications\u003c\/li\u003e\n  \u003cli\u003eMinus tolerance of 0.000200 inches for precise dimensional control\u003c\/li\u003e\n  \u003cli\u003eSteel construction for wear resistance and dimensional stability\u003c\/li\u003e\n  \u003cli\u003eSingle-piece pin design suitable for hand-held go\/no-go checks\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 general-purpose dimensional inspection of 0.166-inch nominal diameter holes in machining and manufacturing quality control applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlug pin gages are handled by metrologists, machinists, and QC inspectors and require no installation in the traditional sense. Clean the gage and the bore being checked before use to prevent debris from affecting readings. Do not force the pin into a hole, as this can damage the gage or workpiece and produce inaccurate results. Store in a protective case away from extreme temperatures to 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: 0.166 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance (Decimal Inch)\u003c\/strong\u003e: 0.000200 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: 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: 19-166-8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPIROTHERM","offers":[{"title":"Default Title","offer_id":51695816671538,"sku":"19-166-8","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/78eedf2d585b001d872ed6b5d33b4a73.jpg?v=1788338476","url":"https:\/\/voomisupply.com\/products\/spi-19-166-8-class-zz-minus-plug-pin-gage-0-166-in","provider":"Voomi Supply","version":"1.0","type":"link"}