{"product_id":"wiseman-hss-bsw-split-dies-british-standard-whitworth-right-hand-thread","title":"Wiseman HSS BSW Split Dies – British Standard Whitworth Right Hand Thread","description":"\u003cp data-pm-slice=\"1 3 []\" style=\"text-align: center;\"\u003e\u003cspan\u003eWiseman HSS BSW Split Dies are manufactured from High Speed Steel (HSS) and designed for cutting new external BSW (British Standard Whitworth) 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 precision-engineered round split dies feature an adjustable split design, allowing minor adjustments to the thread fit when used with a suitable die stock. This makes them particularly useful for general engineering, thread cutting, maintenance and workshop applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eBSW threads feature a 55° Whitworth thread profile with rounded crests and roots. British Standard Whitworth threads are commonly found on older British machinery, vintage vehicles, agricultural equipment and traditional engineering components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eManufactured with a right-hand thread profile, these split dies are suitable for producing and restoring BSW threads on bolts, studs, rods and other externally 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\u003eBSW Thread Form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for British Standard Whitworth 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 of 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\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\u003e55° Thread Profile\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Whitworth thread form featuring rounded crests and roots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile Applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for general engineering, restoration and maintenance work.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProfessional Quality\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured by Wiseman Threading Tools for engineering and workshop applications.\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 BSW external threads on rods, bolts and studs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRepairing damaged or worn BSW 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\u003eGeneral engineering and workshop machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVintage and classic vehicle restoration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintenance of older British machinery and equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAgricultural machinery repairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturing replacement bolts and studs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApplications requiring British Standard Whitworth threads.\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 BSW split die size and pitch to match the required external thread.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eSecure the die in a suitable 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 help 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. For accurate results, check the finished thread using a suitable thread gauge or mating component.\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\"\u003e\n\u003cli style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for BSW (British Standard Whitworth) right-hand external threads only.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cspan\u003eNot compatible with BSF, UNC, UNF, metric or other thread forms unless the exact thread specifications match.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: center;\"\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 style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cspan\u003eRequires a compatible die stock or die holder.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eEnsure the correct thread diameter and threads per inch (TPI) are selected before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennie Tool Company","offers":[{"title":"1\/8\" x 40 BSW (13\/16\" OD)","offer_id":57740556304759,"sku":"D30101","price":22.07,"currency_code":"GBP","in_stock":true},{"title":"5\/32\" x 32 BSW (13\/16\" OD)","offer_id":57740556337527,"sku":"D30151","price":26.87,"currency_code":"GBP","in_stock":true},{"title":"3\/16\" x 24 BSW (13\/16\" OD)","offer_id":57740556370295,"sku":"D30201","price":22.07,"currency_code":"GBP","in_stock":true},{"title":"7\/32\" x 24 BSW (13\/16\" OD)","offer_id":57740556403063,"sku":"D30251","price":26.87,"currency_code":"GBP","in_stock":true},{"title":"1\/4\" x 20 BSW (13\/16\" OD)","offer_id":57740556435831,"sku":"D30301","price":18.11,"currency_code":"GBP","in_stock":true},{"title":"1\/4\" x 20 BSW (1\" OD)","offer_id":57740556468599,"sku":"D30302","price":20.86,"currency_code":"GBP","in_stock":true},{"title":"5\/16\" x 18 BSW (1\" OD)","offer_id":57740556501367,"sku":"D30402","price":20.86,"currency_code":"GBP","in_stock":true},{"title":"3\/8\" x 16 BSW (1\" OD)","offer_id":57740556534135,"sku":"D30452","price":20.86,"currency_code":"GBP","in_stock":true},{"title":"7\/16\" x 14 BSW (1.5\/16\" OD)","offer_id":57740556566903,"sku":"D30503","price":31.41,"currency_code":"GBP","in_stock":true},{"title":"1\/2\" x 12 BSW (1.5\/16\" OD)","offer_id":57740556599671,"sku":"D30553","price":31.41,"currency_code":"GBP","in_stock":true},{"title":"9\/16\" x 12 BSW (1.5\/16\" OD)","offer_id":57740556632439,"sku":"D30603","price":31.41,"currency_code":"GBP","in_stock":true},{"title":"5\/8\" x 11 BSW (1.1\/2\" OD)","offer_id":57740556665207,"sku":"D30654","price":36.7,"currency_code":"GBP","in_stock":true},{"title":"3\/4\" x 10 BSW (1.1\/2\" OD)","offer_id":57740556697975,"sku":"D30754","price":36.7,"currency_code":"GBP","in_stock":true},{"title":"7\/8\" x 9 BSW (2\" OD)","offer_id":57740556730743,"sku":"D30855","price":62.2,"currency_code":"GBP","in_stock":true},{"title":"1\" x 8 BSW (2\" OD)","offer_id":57740556763511,"sku":"D30955","price":79.83,"currency_code":"GBP","in_stock":true},{"title":"1.1\/8\" x 7 BSW (3\" OD)","offer_id":57740556796279,"sku":"D31007","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.1\/4\" x 7 BSW (3\" OD)","offer_id":57740556829047,"sku":"D31057","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.3\/8\" x 6 BSW (3\" OD)","offer_id":57740556861815,"sku":"D31107","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.1\/2\" x 6 BSW (3\" OD)","offer_id":57740556894583,"sku":"D31157","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.3\/4\" x 5 BSW (4\" OD)","offer_id":57740556927351,"sku":"D31258","price":333.86,"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-bsw-split-dies-british-standard-whitworth-right-hand-thread","provider":"Rennie Tool Company","version":"1.0","type":"link"}