{"product_id":"3-8-24-unf-thread-ring-gauge-no-go","title":"Insize American Standard Thread Ring Gauge 3\/8-24 UNF Class 2A NOGO Series 4121-3C2N","description":"\u003cp\u003eThe Insize 4121-3C2N American Standard Thread Ring Gauge is a precision NOGO thread inspection gauge designed for checking external Unified Fine (UNF) threads to ANSI\/ASME B1.2 standards. Engineered for accurate thread verification in machining, manufacturing, and quality control environments, this gauge ensures threaded components meet dimensional tolerance requirements for Class 2A external threads.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality hardened tool steel for durability and long service life, the Insize 4121-3C2N thread ring gauge is supplied with a manufacturer inspection certificate for dependable inspection performance in industrial applications.\u003c\/p\u003e\n\u003cp\u003eKey Features \u0026amp; Benefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision American standard thread ring gauge\u003c\/li\u003e\n\u003cli\u003eNOGO gauge for external thread inspection\u003c\/li\u003e\n\u003cli\u003eSuitable for Unified Fine (UNF) thread verification\u003c\/li\u003e\n\u003cli\u003eDesigned for Class 2A external threads\u003c\/li\u003e\n\u003cli\u003eManufactured to ANSI\/ASME B1.2 standard\u003c\/li\u003e\n\u003cli\u003eHigh wear resistance and dimensional stability\u003c\/li\u003e\n\u003cli\u003eHardened precision ground construction\u003c\/li\u003e\n\u003cli\u003eSupplied with manufacturer inspection certificate\u003c\/li\u003e\n\u003cli\u003eSuitable for workshop and industrial quality control\u003c\/li\u003e\n\u003cli\u003eEnsures accurate thread tolerance inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 4121-3C2N\u003c\/li\u003e\n\u003cli\u003eProduct Type: American Standard Thread Ring Gauge\u003c\/li\u003e\n\u003cli\u003eGauge Type: NOGO\u003c\/li\u003e\n\u003cli\u003eThread Size: 3\/8-24 UNF\u003c\/li\u003e\n\u003cli\u003eThread Standard: Unified Fine (UNF)\u003c\/li\u003e\n\u003cli\u003eThread Class: 2A\u003c\/li\u003e\n\u003cli\u003eStandard: ANSI\/ASME B1.2\u003c\/li\u003e\n\u003cli\u003eApplication: External thread inspection\u003c\/li\u003e\n\u003cli\u003eInspection Certificate: Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExternal thread inspection\u003c\/li\u003e\n\u003cli\u003eMachining and manufacturing quality control\u003c\/li\u003e\n\u003cli\u003eThread verification for UNF fasteners\u003c\/li\u003e\n\u003cli\u003ePrecision engineering inspection\u003c\/li\u003e\n\u003cli\u003eIndustrial metrology applications\u003c\/li\u003e\n\u003cli\u003eWorkshop thread tolerance checking\u003c\/li\u003e\n\u003cli\u003eProduction line inspection processes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInsize precision thread gauges are trusted by machinists, manufacturers, and quality control professionals worldwide for reliable accuracy, durability, and consistent inspection performance.\u003c\/p\u003e\n\u003cp\u003eThe Insize 4121-3C2N American Standard Thread Ring Gauge provides dependable NOGO inspection for 3\/8-24 UNF Class 2A external threads in demanding industrial environments.\u003c\/p\u003e","brand":"INSIZE","offers":[{"title":"Default Title","offer_id":52537410257183,"sku":"4121-3C2N","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/insize-measuring-equipment-insize-american-standard-thread-ring-gauge-3-8-24-unf-class-2a-nogo-series-4121-3c2n-7448724954989-1240847948.jpg?v=1780118029","url":"https:\/\/twineagleimports.com\/products\/3-8-24-unf-thread-ring-gauge-no-go","provider":"Twin Eagle Imports ","version":"1.0","type":"link"}