{"product_id":"wiseman-hss-bsf-split-dies-british-standard-fine-right-hand-thread","title":"Wiseman HSS BSF Split Dies – British Standard Fine Right Hand Thread","description":"\u003cp data-pm-slice=\"1 3 []\" style=\"text-align: center;\"\u003e\u003cspan\u003eWiseman HSS BSF Split Dies are manufactured from High Speed Steel (HSS) and designed for cutting new external BSF (British Standard Fine) 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 ideal for general engineering, thread cutting, maintenance and restoration applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan\u003eBSF threads feature a 55° Whitworth thread profile with rounded crests and roots, but have a finer thread pitch than BSW (British Standard Whitworth) threads of the same nominal diameter. British Standard Fine threads are commonly found on older British machinery, classic vehicles, motorcycles, agricultural equipment and traditional engineering components.\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 BSF 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\u003eBSF Thread Form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for British Standard Fine 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° Whitworth Thread Profile\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features rounded crests and roots with a finer pitch than BSW.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRestoration Applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Particularly useful for classic vehicles and older British machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEngineering \u0026amp; Workshop Use\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for general machining, fabrication and maintenance.\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 BSF 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 BSF 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\u003eClassic car and vintage motorcycle 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\u003eGeneral engineering and workshop machining.\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 Fine 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 BSF split die size and threads per inch (TPI) 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 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. For accurate results, check the finished thread using a suitable BSF thread gauge or correctly specified 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 BSF (British Standard Fine) 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 interchangeable with BSW, UNC, UNF, metric or other thread forms.\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\u003eSelect the correct nominal diameter and TPI before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennie Tool Company","offers":[{"title":"3\/16\" x 32 BSF (13\/16\" OD)","offer_id":57740557025655,"sku":"D32001","price":22.34,"currency_code":"GBP","in_stock":true},{"title":"1\/4\" x 26 BSF (13\/16\" OD)","offer_id":57740557058423,"sku":"D32051","price":17.93,"currency_code":"GBP","in_stock":true},{"title":"5\/16\" x 22 BSF (1\" OD)","offer_id":57740557091191,"sku":"D32102","price":21.13,"currency_code":"GBP","in_stock":true},{"title":"3\/8\" x 20 BSF (1\" OD)","offer_id":57740557123959,"sku":"D32152","price":21.13,"currency_code":"GBP","in_stock":true},{"title":"7\/16\" x 18 BSF (1.5\/16\" OD)","offer_id":57740557156727,"sku":"D32203","price":33.05,"currency_code":"GBP","in_stock":true},{"title":"1\/2\" x 16 BSF (1.5\/16\" OD)","offer_id":57740557189495,"sku":"D32253","price":33.05,"currency_code":"GBP","in_stock":true},{"title":"9\/16\" x 16 BSF (1.5\/16\" OD)","offer_id":57740557222263,"sku":"D32303","price":38.77,"currency_code":"GBP","in_stock":true},{"title":"5\/8\" x 14 BSF (1.1\/2\" OD)","offer_id":57740557255031,"sku":"D32354","price":41.85,"currency_code":"GBP","in_stock":true},{"title":"3\/4\" x 12 BSF (2\" OD)","offer_id":57740557287799,"sku":"D32454","price":83.44,"currency_code":"GBP","in_stock":true},{"title":"7\/8\" x 11 BSF (2\" OD)","offer_id":57740557320567,"sku":"D32555","price":83.44,"currency_code":"GBP","in_stock":true},{"title":"1\" x 10 BSF (2\" OD)","offer_id":57740557353335,"sku":"D32605","price":83.44,"currency_code":"GBP","in_stock":true},{"title":"1.1\/8\" x 9 BSF (3\" OD)","offer_id":57740557386103,"sku":"D32657","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.1\/4\" x 9 BSF (3\" OD)","offer_id":57740557418871,"sku":"D32707","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.3\/8\" x 8 BSF (3\" OD)","offer_id":57740557451639,"sku":"D32757","price":171.79,"currency_code":"GBP","in_stock":true},{"title":"1.1\/2\" x 8 BSF (4\" OD)","offer_id":57740557484407,"sku":"D32808","price":315.58,"currency_code":"GBP","in_stock":true},{"title":"2\" x 7 BSF (4\" OD)","offer_id":57740557517175,"sku":"D32958","price":315.58,"currency_code":"GBP","in_stock":true},{"title":"2.1\/4\" x 6 BSF (4\" OD)","offer_id":57740557549943,"sku":"D32978","price":315.58,"currency_code":"GBP","in_stock":true},{"title":"2.1\/2\" x 6 BSF (4\" OD)","offer_id":57740557582711,"sku":"D32998","price":315.58,"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-bsf-split-dies-british-standard-fine-right-hand-thread","provider":"Rennie Tool Company","version":"1.0","type":"link"}