{"product_id":"insize-4636-whitworth-taper-pipe-thread-ring-gauges","title":"Insize 4636 Whitworth Taper Pipe Thread Ring Gauges","description":"\u003ch2\u003eInsize 4636 Whitworth Taper Pipe Thread Ring Gauges\u003c\/h2\u003e\n\u003cp\u003eThe Insize 4636 Whitworth Taper Pipe Thread Ring Gauge series is a British Standard Pipe Taper (BSPT) thread ring gauge line used to verify external taper pipe threads on fittings, valves, and connectors that rely on the Whitworth thread form for a pressure-tight seal. Manufactured to the BS 21-1985 standard, each ring gauge is sized to a specific pipe thread designation, from 1\/8-28 up through larger sizes such as 2-1\/2-11 and beyond, giving inspectors and machinists a reliable way to confirm that external taper threads meet the correct pitch diameter and taper angle. This makes the 4636 series a practical choice for plumbing fitting manufacturers, valve makers, and machine shops working with British pipe thread standards, particularly in industries and regions where BSPT threads remain the standard for pressure-tight pipe connections.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerifies external taper pipe threads against the Whitworth (BSPT) thread form\u003c\/li\u003e\n\u003cli\u003eManufactured to BS 21-1985 standard for accurate, traceable results\u003c\/li\u003e\n\u003cli\u003eAvailable in a wide range of pipe thread sizes, from 1\/8-28 up through larger BSPT designations\u003c\/li\u003e\n\u003cli\u003ePrecision-ground thread profile ensures accurate Go\/No-Go inspection\u003c\/li\u003e\n\u003cli\u003eDurable steel construction built for repeated shop and inspection use\u003c\/li\u003e\n\u003cli\u003eWell suited for pipe fitting, valve, and connector manufacturing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" cellspacing=\"0\" cellpadding=\"0\" dir=\"ltr\" border=\"1\" data-sheets-root=\"1\" data-sheets-baot=\"1\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"135\"\u003e\n\u003ccol width=\"639\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Form\u003c\/td\u003e\n\u003ctd\u003eWhitworth (BSPT - British Standard Pipe Taper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Compliance\u003c\/td\u003e\n\u003ctd\u003eBS 21-1985\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes Available\u003c\/td\u003e\n\u003ctd\u003e1\/8-28, 1\/4-19, 3\/8-19, 1\/2-14, 3\/4-14, 1-11, 1.1\/4-11, 1.1\/2-11, 2-11, 2.1\/2-11, and other BSPT designations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGauge Type\u003c\/td\u003e\n\u003ctd\u003eRing gauge (external thread inspection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHardened tool steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eVerifying external taper pipe threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eItems Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInsize 4636 Whitworth taper pipe thread ring gauge in the selected size\u003c\/li\u003e\n\u003cli\u003eFitted storage case\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Insize_4636_Whitworth_Taper_Pipe_Thread_Ring_Gauges_Data_Sheet.pdf?v=1784835042\" title=\"Insize 4636 Whitworth Taper Pipe Thread Ring Gauges Data Sheet\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/PDF_image_100x100.png?v=1756409173\" alt=\"INSIZE ISHW-L20B Webster Hardness Tester Manual\"\u003eInsize 4636 Whitworth Taper Pipe Thread Ring Gauges Data Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Insize","offers":[{"title":"4636-111","offer_id":54262946201884,"sku":null,"price":2625.0,"currency_code":"USD","in_stock":true},{"title":"4636-1A14","offer_id":54262946234652,"sku":null,"price":1653.0,"currency_code":"USD","in_stock":true},{"title":"4636-1B19","offer_id":54262946300188,"sku":null,"price":2084.0,"currency_code":"USD","in_stock":true},{"title":"4636-1C28","offer_id":54262946398492,"sku":null,"price":2484.0,"currency_code":"USD","in_stock":true},{"title":"4636-1G11","offer_id":54262948266268,"sku":null,"price":2627.0,"currency_code":"USD","in_stock":true},{"title":"4636-1H11","offer_id":54262948528412,"sku":null,"price":2626.0,"currency_code":"USD","in_stock":true},{"title":"4636-211","offer_id":54262949052700,"sku":null,"price":3282.0,"currency_code":"USD","in_stock":true},{"title":"4636-2H11","offer_id":54262949216540,"sku":null,"price":3301.0,"currency_code":"USD","in_stock":true},{"title":"4636-311","offer_id":54262949445916,"sku":null,"price":3307.0,"currency_code":"USD","in_stock":true},{"title":"4636-3B14","offer_id":54262949576988,"sku":null,"price":1654.0,"currency_code":"USD","in_stock":true},{"title":"4636-3C19","offer_id":54262949642524,"sku":null,"price":2084.0,"currency_code":"USD","in_stock":true},{"title":"4636-411","offer_id":54262949773596,"sku":null,"price":4951.0,"currency_code":"USD","in_stock":true},{"title":"4636-511","offer_id":54262950265116,"sku":null,"price":5708.0,"currency_code":"USD","in_stock":true},{"title":"4636-611","offer_id":54262950822172,"sku":null,"price":5727.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6991\/2348\/files\/Insize_4636_Whitworth_Taper_Pipe_Thread_Ring_Gauges_Front_View.jpg?v=1784835102","url":"https:\/\/precisionengineeringsupply.com\/products\/insize-4636-whitworth-taper-pipe-thread-ring-gauges","provider":"Precision Engineering Supply","version":"1.0","type":"link"}