{"product_id":"wiseman-hss-bsp-split-dies-british-standard-pipe-parallel-right-hand-thread","title":"Wiseman HSS BSP Split Dies – British Standard Pipe Parallel Right Hand Thread","description":"\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp data-pm-slice=\"1 3 []\" style=\"text-align: center;\"\u003e\u003cspan\u003eWiseman HSS BSP Split Dies are manufactured from High Speed Steel (HSS) and designed for cutting new external BSP (British Standard Pipe) parallel threads, as well as repairing, cleaning and restoring damaged or worn existing threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eThese round split dies feature an adjustable design, allowing minor adjustments to the thread fit when used with a suitable die stock. They are particularly useful for pipe fitting, general engineering, machinery maintenance and workshop applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eBSP parallel threads, also known as BSPP or G threads, feature a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e55° Whitworth thread profile\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with rounded crests and roots. Unlike BSPT (British Standard Pipe Taper) threads, BSP parallel threads maintain a constant diameter along the threaded section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eBSP parallel threads are widely used in plumbing, hydraulic systems, pneumatic equipment, industrial machinery and mechanical fittings. They are commonly used where a sealing washer, O-ring, gasket or other suitable sealing arrangement provides the seal rather than the thread itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eDesigned for right-hand thread cutting, these split dies are suitable for producing and restoring BSP parallel external threads on suitable pipes, fittings, adapters and other threaded components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\" style=\"text-align: center;\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Speed Steel (HSS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Durable construction for reliable thread cutting and maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBSP Parallel Thread Form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for British Standard Pipe Parallel external threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRight Hand Thread\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Standard clockwise tightening thread direction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdjustable Split Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Allows minor adjustment to the thread fit when used with a suitable die stock.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRound Die Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for use with compatible die stocks and die holders.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e55° Whitworth Thread Profile\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features rounded crests and roots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eParallel Thread Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Produces threads with a constant nominal major diameter along their length.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThread Cutting \u0026amp; Restoration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for cutting new external threads and repairing existing threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineering \u0026amp; Pipe Fitting Applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for hydraulic, pneumatic and general mechanical fittings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eSuitable for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\" style=\"text-align: center;\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCutting new BSP parallel external threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRepairing damaged or worn BSPP threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCleaning and restoring existing external threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePlumbing and pipe fitting applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHydraulic fittings and adapters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePneumatic equipment and compressed air fittings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial machinery and maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGeneral engineering and workshop machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturing replacement threaded fittings and adapters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eRecommended Use\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eSelect the correct BSP split die size and thread pitch to match the required external thread.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eBSP sizes are designated by nominal pipe sizes rather than the actual outside diameter of the thread. For example, a 1\/2\" BSP thread has an external major diameter of approximately 20.96mm, not 12.7mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eSecure the die in a compatible die stock or holder, ensuring the adjustment screws are correctly positioned. Prepare the workpiece to the appropriate diameter and apply a suitable chamfer to help the die start squarely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eApply an appropriate cutting lubricant and rotate the die clockwise to cut the thread. Periodically reverse the die slightly to break and clear chips where appropriate for the material and cutting conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eThe adjustable split design allows minor adjustments to the thread fit. Check the finished thread using a suitable BSP parallel thread gauge or correctly specified mating component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eWhere the threaded connection is required to seal against pressure, ensure that the appropriate sealing method is used and that the complete connection is suitable for the intended application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eImportant\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\" style=\"text-align: center;\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for BSP (British Standard Pipe Parallel \/ BSPP) right-hand external threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlso commonly identified by the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eG thread designation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFeatures a 55° Whitworth thread profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduces parallel threads, not tapered threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot interchangeable with BSPT or NPT dies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBSP nominal thread sizes do not correspond directly to the measured external thread diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBSP parallel threads generally require a separate sealing arrangement where a pressure-tight connection is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdjustable round split die for cutting and restoring external threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequires a compatible die stock or die holder.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennie Tool Company","offers":[{"title":"1\/8\" x 28 BSP (1\" OD)","offer_id":57740559974775,"sku":"D50551","price":17.33,"currency_code":"GBP","in_stock":true},{"title":"1\/4\" x 19 BSP (1.5\/16\" OD)","offer_id":57740560007543,"sku":"D50602","price":25.99,"currency_code":"GBP","in_stock":true},{"title":"3\/8\" x 19 BSP (1.1\/2\" OD)","offer_id":57740560040311,"sku":"D50653","price":31.03,"currency_code":"GBP","in_stock":true},{"title":"1\/2\" x 14 BSP (1.1\/2\" OD)","offer_id":57740560073079,"sku":"D50703","price":35.43,"currency_code":"GBP","in_stock":true},{"title":"5\/8\" x 14 BSP (2\" OD)","offer_id":57740560105847,"sku":"D50754","price":64.27,"currency_code":"GBP","in_stock":true},{"title":"3\/4\" x 14 BSP (2\" OD)","offer_id":57740560138615,"sku":"D50804","price":64.16,"currency_code":"GBP","in_stock":true},{"title":"7\/8\" x 14 BSP (2\" OD)","offer_id":57740560171383,"sku":"D50854","price":64.16,"currency_code":"GBP","in_stock":true},{"title":"1\" x 11 BSP (3\" OD)","offer_id":57740560204151,"sku":"D51006","price":129.71,"currency_code":"GBP","in_stock":true},{"title":"1.1\/4\" x 11 BSP (3\" OD)","offer_id":57740560236919,"sku":"D51056","price":113.2,"currency_code":"GBP","in_stock":true},{"title":"1.1\/2\" x 11 BSP (3\" OD)","offer_id":57740560269687,"sku":"D51106","price":129.71,"currency_code":"GBP","in_stock":true},{"title":"2\" x 11 BSP (4\" OD)","offer_id":57740560302455,"sku":"D51208","price":308.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0067\/9129\/9145\/files\/WisemanSplitDie_1e3d6cb7-6db1-4e70-a26f-cc79305d4ad6.png?v=1788643504","url":"https:\/\/www.rennietool.co.uk\/products\/wiseman-hss-bsp-split-dies-british-standard-pipe-parallel-right-hand-thread","provider":"Rennie Tool Company","version":"1.0","type":"link"}