{"title":"Dies","description":"\u003cp\u003eA die cuts or restores an external thread — the male counterpart to a tap. A special die is one made to a specification no catalog carries: a non-standard diameter or pitch, an unusual thread form, a left-hand thread, a particular outside diameter to suit your die stock, or a tolerance tighter than commercial classes allow. WESTport manufactures threading dies to your blueprint or from a sample part in round adjustable split, hexagon, hexagon rethreading and cone styles, across Unified, metric, ACME and pipe thread forms, in right or left hand, in High-Speed Steel or CBN. We hold one of the industry's largest inventories of die blanks, which is where our turnaround on custom specials comes from. Made in the USA and supplying precision manufacturing since 1989.\u003c\/p\u003e\n\n\u003ch2\u003eThe WESTport die line\u003c\/h2\u003e\n\u003cp\u003eEvery die below is built to order. Send a print, a sample, or the thread callout and application, and we will quote the tool that fits it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRound Adjustable Split Dies.\u003c\/strong\u003e The workhorse. A radial split and adjusting screws let the die be expanded or contracted slightly, so one tool can be tuned for class of fit, compensated as it wears, or set to hit a specific tolerance. Available in outside diameters from 13\/16″ through 2 1\/2″ and larger, in HSS or CBN, in Unified, metric, ACME, left-hand and specialty forms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRound Adjustable Split Pipe Dies.\u003c\/strong\u003e The same adjustable split construction cut for tapered and straight pipe threads — NPT, NPTF, BSPT, BSPP, ANPT and NPSM — where the ability to fine-tune thread fit matters for sealing. HSS or CBN, in 1″ through 3″+ outside diameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHexagon Pipe Dies.\u003c\/strong\u003e A six-sided body that drives from a standard die stock, an adjustable wrench or a socket, which is what makes it the field and maintenance tool of choice for cutting and restoring external pipe threads away from a machine. NPT and NPS in common pipe sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHexagon Rethreading Dies.\u003c\/strong\u003e Purpose-built for chasing and restoring damaged external threads rather than cutting new ones — the tool you reach for on a burred stud or a fastener that has been dropped. Available in HSS and CBN across a wide size range, specified by thread size and distance across flats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCone Dies.\u003c\/strong\u003e Also called acorn, spring or taper nose dies. The tapered nose projects beyond the die holder, closing the distance between the cutting edges and a shoulder — so you can thread far closer to an obstruction than a conventional round die allows. HSS and premium tool steel, in Unified, metric, ACME, left-hand and specialty forms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePopular Special Dies — Inches.\u003c\/strong\u003e The non-standard inch sizes customers ask for most often, held ready in blank form: #5-40 upward in round adjustable split style, in 13\/16″, 1″, 1 1\/2″ and 2″ outside diameters, right hand and left hand, including NPT.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePopular Special Dies — Metrics.\u003c\/strong\u003e The equivalent metric range from M8 upward in round adjustable split style, in 1″, 1 1\/2″ and 2″ outside diameters, right hand and left hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat we make dies for\u003c\/h2\u003e\n\u003cul class=\"gg-tags\"\u003e\n  \u003cli\u003eUnified inch (UN \/ UNC \/ UNF \/ UNEF)\u003c\/li\u003e\n  \u003cli\u003eISO metric\u003c\/li\u003e\n  \u003cli\u003eACME \u0026amp; Stub ACME\u003c\/li\u003e\n  \u003cli\u003eNPT \/ NPTF pipe\u003c\/li\u003e\n  \u003cli\u003eNPS \/ NPSM straight pipe\u003c\/li\u003e\n  \u003cli\u003eBSPT \/ BSPP British pipe\u003c\/li\u003e\n  \u003cli\u003eANPT aeronautical pipe\u003c\/li\u003e\n  \u003cli\u003eLeft-hand threads\u003c\/li\u003e\n  \u003cli\u003eThread repair \u0026amp; rethreading\u003c\/li\u003e\n  \u003cli\u003eBlueprint \u0026amp; sample specials\u003c\/li\u003e\n  \u003cli\u003eProprietary thread forms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing a die style\u003c\/h2\u003e\n\u003cp\u003eThe choice comes down to three questions: are you cutting a new thread or restoring an old one, do you need to adjust the fit, and is there an obstruction near the thread.\u003c\/p\u003e\n\u003cdiv class=\"gg-scroll\"\u003e\n  \u003ctable\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003cth\u003eAdjustable\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003cth\u003eDriven by\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003cth\u003eRound adjustable split\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eCutting new threads to a specific class of fit; production and tool room\u003c\/td\u003e\n\u003ctd\u003eDie stock\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHexagon\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eCutting and restoring pipe threads in the field\u003c\/td\u003e\n\u003ctd\u003eDie stock, wrench or socket\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHexagon rethreading\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eChasing and repairing damaged existing threads\u003c\/td\u003e\n\u003ctd\u003eDie stock, wrench or socket\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCone (acorn)\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eThreading close up to a shoulder or obstruction\u003c\/td\u003e\n\u003ctd\u003eCone die holder\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eHSS or CBN\u003c\/h2\u003e\n\u003cp\u003eMost dies are ground from High-Speed Steel, which handles the great majority of workpiece materials and is the economical choice for general production and repair. CBN is offered on round adjustable split dies, split pipe dies and hexagon rethreading dies, where its hardness pays for itself on abrasive or hardened materials and in high-volume runs that would wear an HSS die quickly. Both carry the same thread geometry — specify the material with the order, along with hand, outside diameter and tolerance class.\u003c\/p\u003e\n\n\u003ch2\u003eIndustries served\u003c\/h2\u003e\n\u003cdiv class=\"gg-grid\"\u003e\n  \u003cdiv\u003e\n\u003ch4\u003eEnergy \u0026amp; Oil and Gas\u003c\/h4\u003e\n\u003cp\u003ePipe dies for wellhead, pressure and pipeline work, including field repair of threads that cannot be brought back to a shop.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003ch4\u003eAerospace \u0026amp; Defense\u003c\/h4\u003e\n\u003cp\u003eANPT pipe dies and close-tolerance specials where thread class is controlled and documented.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003ch4\u003eFluid Power \u0026amp; Plumbing\u003c\/h4\u003e\n\u003cp\u003eNPT and BSPT dies for producing and restoring sealing threads on fittings, ports and connectors.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003ch4\u003eAutomotive \u0026amp; Heavy Equipment\u003c\/h4\u003e\n\u003cp\u003eRethreading dies for studs, shafts and fasteners, and ACME dies for lead screw and actuator work.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003ch4\u003eJob Shops, MRO \u0026amp; Tool Rooms\u003c\/h4\u003e\n\u003cp\u003eOne-off specials made from a worn die or a sample part when the size was never standard or the original source is gone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy WESTport\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne of the industry's largest die blank inventories.\u003c\/strong\u003e Most specials start from a blank already on our shelf, not from bar stock — which is where the turnaround advantage comes from.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlueprint, sample or callout.\u003c\/strong\u003e Send a print, mail us the worn die, or just give us the thread and the application. We reverse-engineer specials routinely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRight hand and left hand, every form.\u003c\/strong\u003e Unified, metric, ACME, pipe and proprietary geometries, in the outside diameter your die stock takes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched taps and dies from one source.\u003c\/strong\u003e Internal and external tooling for the same thread, cut to the same specification, quoted together.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in the USA, supplying precision manufacturing since 1989.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n","products":[{"product_id":"cone-dies-v2","title":"Cone Dies","description":"\u003cp\u003eWESTport manufactures Cone Dies for precision external thread cutting in demanding production environments. Also commonly referred to as Acorn Dies, Spring Dies, or Taper Nose Dies, Cone Dies are designed for applications where threads must be produced close to a shoulder or obstruction while maintaining exceptional accuracy and surface finish. Their tapered nose configuration allows the die to project beyond the die holder, minimizing the distance between the cutting edges and the workpiece shoulder. This makes Cone Dies an excellent solution for precision machining operations where conventional round dies cannot provide sufficient access.\u003c\/p\u003e\n\u003cp\u003eEvery WESTport Cone Die is manufactured to customer specifications using premium High-Speed Steel (HSS) and other high-performance tool steels selected for exceptional wear resistance and long service life. Precision grinding ensures accurate thread geometry, sharp cutting edges, and consistent dimensional repeatability throughout extended production runs. Whether your application requires Unified, Metric, ACME, left-hand, right-hand, or another specialty thread form, WESTport can manufacture Cone Dies from customer drawings, blueprints, or sample parts.\u003c\/p\u003e\n\u003cp\u003eCone Dies are especially well suited for automatic screw machines, CNC lathes, Swiss-type machining centers, and dedicated production equipment where close-to-shoulder threading is required. Their unique geometry improves accessibility while maintaining cutting rigidity, allowing manufacturers to produce clean, accurate threads with excellent repeatability. WESTport also offers custom outside diameters, thread pitches, chamfer styles, hook angles, coatings, and other specialized design features to optimize machining performance for specific workpiece materials and production requirements.\u003c\/p\u003e\n\u003cp\u003eManufacturers across the aerospace, automotive, hydraulic, medical device, defense, industrial machinery, fastener, and energy industries rely on Cone Dies to produce precision external threads on shafts, fittings, adapters, connectors, and other critical components. Whether manufacturing prototype parts or supporting high-volume production, WESTport engineers each die to maximize productivity, improve thread quality, and extend tool life.\u003c\/p\u003e\n\u003cp\u003eSince 1989, WESTport has supplied manufacturers throughout North America and around the world with precision thread gages, custom taps and dies, metrology equipment, hardness testing products, and ISO\/IEC 17025 calibration services. Our commitment to engineering excellence, precision manufacturing, and responsive customer support has made WESTport a trusted source for custom thread-cutting solutions for more than 35 years.\u003c\/p\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces highly accurate external threads\u003c\/li\u003e\n\u003cli\u003eAllows threading closer to shoulders and obstructions\u003c\/li\u003e\n\u003cli\u003eExcellent dimensional consistency\u003c\/li\u003e\n\u003cli\u003eImproves production efficiency\u003c\/li\u003e\n\u003cli\u003eLong tool life\u003c\/li\u003e\n\u003cli\u003eCustom engineered for demanding applications\u003c\/li\u003e\n\u003cli\u003eReliable performance in high-volume manufacturing\u003c\/li\u003e\n\u003cli\u003eReduces secondary machining operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic screw machines\u003c\/li\u003e\n\u003cli\u003eCNC turning centers\u003c\/li\u003e\n\u003cli\u003eSwiss machining\u003c\/li\u003e\n\u003cli\u003ePrecision shafts\u003c\/li\u003e\n\u003cli\u003eHydraulic fittings\u003c\/li\u003e\n\u003cli\u003eAerospace components\u003c\/li\u003e\n\u003cli\u003eAutomotive components\u003c\/li\u003e\n\u003cli\u003eMedical device manufacturing\u003c\/li\u003e\n\u003cli\u003eFastener production\u003c\/li\u003e\n\u003cli\u003eOEM manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Information\u003c\/h2\u003e\n\u003cp\u003eCone Dies feature a tapered nose that allows the cutting section to extend beyond the die holder, making them ideal for close-to-shoulder threading applications. WESTport manufactures Cone Dies in numerous thread forms, diameters, pitches, and custom configurations to meet customer requirements. Premium tool materials, precision grinding, and optional wear-resistant coatings provide exceptional thread accuracy, repeatability, and extended service life in demanding production environments.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose WESTport?\u003c\/h2\u003e\n\u003cp\u003eFor more than 35 years, WESTport has been a trusted supplier of precision thread gages, custom taps, dies, metrology products, hardness testing equipment, and ISO\/IEC 17025 calibration services. Our engineering expertise and precision manufacturing capabilities enable us to develop custom thread-cutting solutions that improve productivity, maximize tool life, and consistently produce precision threads. Whether you require prototype tooling or high-volume production quantities, WESTport delivers the quality, technical expertise, and customer support manufacturers have trusted since 1989.\u003c\/p\u003e","brand":"WESTport Corp.","offers":[{"title":"#1 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119256100,"sku":"46000","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#2 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119288868,"sku":"46001","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#3 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119321636,"sku":"46002","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#4 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119354404,"sku":"46003","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#5 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119387172,"sku":"46004","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#6 \/ BLANK STD NC\/NF RIGHT HAND","offer_id":44142119419940,"sku":"46005","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#1 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119452708,"sku":"46010","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#2 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119485476,"sku":"46011","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#3 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119518244,"sku":"46012","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#4 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119551012,"sku":"46013","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#5 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119583780,"sku":"46014","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#6 \/ BLANK STD NC\/NF LEFT HAND","offer_id":44142119616548,"sku":"46015","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#1 \/ BLANK SPEC TPI SIZES","offer_id":44142119649316,"sku":"46020","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#2 \/ BLANK SPEC TPI SIZES","offer_id":44142119682084,"sku":"46021","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#3 \/ BLANK SPEC TPI SIZES","offer_id":44142119714852,"sku":"46022","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#4 \/ BLANK SPEC TPI SIZES","offer_id":44142119747620,"sku":"46023","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#5 \/ BLANK SPEC TPI SIZES","offer_id":44142119780388,"sku":"46024","price":0.01,"currency_code":"USD","in_stock":true},{"title":"#6 \/ BLANK SPEC TPI SIZES","offer_id":44142119813156,"sku":"46025","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2546\/6268\/files\/ConeDies2.png?v=1781706566"},{"product_id":"popular-special-dies-inches","title":"Popular Special Dies (Inches)","description":"\u003cp\u003eWESTport's Popular Special Dies – Inches provide manufacturers with a fast, dependable solution for producing precision external inch threads when standard catalog tooling is unavailable or does not meet application requirements. Designed for machine shops, OEMs, maintenance departments, repair facilities, and production manufacturers, these dies include many of the industry's most commonly requested non-standard inch thread sizes and pitches while offering the flexibility of complete custom manufacturing. WESTport maintains one of the largest inventories of tap and die blanks in the industry, allowing exceptionally fast turnaround on custom specials manufactured directly from your blueprint or sample.\u003c\/p\u003e\n\u003cp\u003eEvery WESTport Popular Special Inch Die is precision manufactured using premium High-Speed Steel (HSS) and other high-performance tool steels selected for excellent wear resistance, dimensional stability, and long service life. Precision grinding produces accurate thread geometry, sharp cutting edges, and smooth finishes that consistently generate high-quality external threads. Whether your application requires Unified National threads (UNC, UNF, UNEF), special inch pitches, oversized or undersized thread tolerances, left-hand threads, or another custom configuration, WESTport can manufacture tooling to your exact specifications.\u003c\/p\u003e\n\u003cp\u003eExternal inch threads continue to be widely used throughout North American manufacturing in machinery, industrial equipment, aerospace, automotive, defense, hydraulic systems, agricultural equipment, and countless OEM applications. Reliable threading tools are essential for maintaining production schedules, minimizing scrap, and ensuring proper thread fit. WESTport's Popular Special Inch Dies help manufacturers reduce costly downtime by providing rapid delivery on many commonly requested special sizes while offering the engineering expertise to manufacture virtually any custom thread configuration.\u003c\/p\u003e\n\u003cp\u003eWhether producing threaded shafts, studs, bolts, fittings, adapters, fasteners, or custom-engineered components, WESTport works directly with customers to provide tooling optimized for their materials, machining methods, and production volumes. From one-piece prototypes to high-volume production orders, every die is manufactured to deliver exceptional accuracy, repeatability, and durability.\u003c\/p\u003e\n\u003cp\u003eSince 1989, WESTport has supplied manufacturers throughout North America and around the world with precision thread gages, custom taps and dies, hardness testing equipment, metrology products, and ISO\/IEC 17025 calibration services. Our commitment to quality, responsive customer service, and engineering expertise has made WESTport a trusted source for precision thread-cutting solutions for more than 35 years.\u003c\/p\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces accurate, repeatable external inch threads\u003c\/li\u003e\n\u003cli\u003eRapid delivery for many popular special sizes\u003c\/li\u003e\n\u003cli\u003eMinimizes production downtime\u003c\/li\u003e\n\u003cli\u003eExcellent dimensional consistency\u003c\/li\u003e\n\u003cli\u003eLong tool life in demanding machining environments\u003c\/li\u003e\n\u003cli\u003eCustom-engineered for unique applications\u003c\/li\u003e\n\u003cli\u003eSupports prototype and production manufacturing\u003c\/li\u003e\n\u003cli\u003eReliable performance across a wide range of materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExternal thread cutting\u003c\/li\u003e\n\u003cli\u003eThread repair and restoration\u003c\/li\u003e\n\u003cli\u003eAerospace manufacturing\u003c\/li\u003e\n\u003cli\u003eAutomotive components\u003c\/li\u003e\n\u003cli\u003eHydraulic fittings\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery\u003c\/li\u003e\n\u003cli\u003eFastener manufacturing\u003c\/li\u003e\n\u003cli\u003eHeavy equipment\u003c\/li\u003e\n\u003cli\u003ePrecision machine shops\u003c\/li\u003e\n\u003cli\u003eOEM production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Information\u003c\/h2\u003e\n\u003cp\u003eWESTport Popular Special Inch Dies are manufactured for many of the industry's most frequently requested non-standard inch thread sizes and pitches. When a standard die is unavailable, WESTport can manufacture custom tooling directly from your blueprint or sample. Custom outside diameters, thread classes, special pitches, modified geometries, and premium coatings are available to satisfy virtually any threading requirement while maintaining exceptional thread accuracy, repeatability, and long service life.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose WESTport?\u003c\/h2\u003e\n\u003cp\u003eFor more than 35 years, WESTport has been a trusted supplier of precision thread gages, custom taps and dies, metrology equipment, hardness testing products, and ISO\/IEC 17025 calibration services. Our extensive inventory, precision manufacturing capabilities, and engineering expertise allow us to deliver custom thread-cutting solutions with fast turnaround, exceptional quality, and responsive customer support. 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Our commitment to quality, responsive customer support, and technical expertise has made WESTport a trusted partner for manufacturers that demand precision and reliability.\u003c\/p\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces accurate, repeatable external metric threads\u003c\/li\u003e\n\u003cli\u003eFast delivery on many popular special sizes\u003c\/li\u003e\n\u003cli\u003eReduces costly production downtime\u003c\/li\u003e\n\u003cli\u003eExcellent dimensional consistency\u003c\/li\u003e\n\u003cli\u003eLong tool life in demanding production environments\u003c\/li\u003e\n\u003cli\u003eCustom-engineered for unique applications\u003c\/li\u003e\n\u003cli\u003eSupports prototype and production machining\u003c\/li\u003e\n\u003cli\u003eReliable performance across a wide range of materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExternal metric thread cutting\u003c\/li\u003e\n\u003cli\u003eAutomotive manufacturing\u003c\/li\u003e\n\u003cli\u003eAerospace components\u003c\/li\u003e\n\u003cli\u003eMedical device manufacturing\u003c\/li\u003e\n\u003cli\u003eHydraulic fittings\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery\u003c\/li\u003e\n\u003cli\u003eFastener production\u003c\/li\u003e\n\u003cli\u003eElectronics manufacturing\u003c\/li\u003e\n\u003cli\u003ePrecision machine shops\u003c\/li\u003e\n\u003cli\u003eOEM production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Information\u003c\/h2\u003e\n\u003cp\u003eWESTport Popular Special Metric Dies are manufactured to produce precision ISO metric external threads in many of the industry's most commonly requested special sizes and pitches. When a standard die is unavailable, WESTport can manufacture custom dies directly from customer blueprints or sample parts. Custom diameters, thread classes, pitches, outside diameters, coatings, and special geometries are available to meet virtually any production requirement while maintaining excellent thread accuracy and tool life.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose WESTport?\u003c\/h2\u003e\n\u003cp\u003eFor more than 35 years, WESTport has been a trusted supplier of precision thread gages, custom taps and dies, metrology equipment, hardness testing products, and ISO\/IEC 17025 calibration services. Our extensive inventory, engineering expertise, and precision manufacturing capabilities allow us to deliver custom thread-cutting solutions with fast turnaround, exceptional quality, and dependable customer support. 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Designed with a split adjustable construction, these dies allow the thread size to be fine-tuned for optimum fit, making them an excellent choice for both new thread production and thread restoration. The adjustable design provides greater flexibility than solid dies by allowing slight expansion or contraction to compensate for wear, achieve specific thread tolerances, or optimize class of fit.\u003c\/p\u003e\n\u003cp\u003eAs part of WESTport's Special Dies product line, every Round Adjustable Die is manufactured to your exact specifications. Whether your application requires Unified (UNC, UNF, UNEF), Metric, ACME, left-hand, right-hand, or other specialty thread forms, WESTport can manufacture dies from your blueprint, engineering drawing, or sample part. Custom outside diameters, thread pitches, special tolerances, thread classes, and modified geometries are available to satisfy even the most demanding manufacturing requirements.\u003c\/p\u003e\n\u003cp\u003eWESTport manufactures Special Round Adjustable Dies from premium High-Speed Steel (HSS) and other high-performance tool steels selected for outstanding wear resistance, dimensional stability, and long service life. Precision grinding produces sharp cutting edges and highly accurate thread profiles that consistently generate clean, repeatable external threads. Optional premium surface treatments and coatings are available to further improve wear resistance, reduce friction, and extend tool life when machining stainless steel, hardened alloys, and other difficult materials.\u003c\/p\u003e\n\u003cp\u003eThese adjustable dies are widely used throughout aerospace, automotive, defense, medical device manufacturing, hydraulic equipment, heavy machinery, energy production, industrial maintenance, and precision machine shops. Their versatility makes them equally effective for prototype work, production machining, thread chasing, repair operations, and replacement tooling. Whether threading shafts, studs, fasteners, fittings, or custom components, WESTport Special Round Adjustable Dies provide the precision and reliability demanded by today's manufacturers.\u003c\/p\u003e\n\u003cp\u003eSince 1989, WESTport has supplied precision thread gages, custom taps and dies, metrology equipment, hardness testing products, and ISO\/IEC 17025 calibration services to manufacturers throughout North America and around the world. 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Precision machining and inspection ensure that every die produces clean, consistent threads that meet demanding industrial requirements.\u003c\/p\u003e\n\u003cp\u003eThe compact hexagonal design offers several advantages over conventional round dies. Because the die can be driven with standard hand tools, it is especially useful for maintenance personnel, pipefitters, plumbers, industrial mechanics, and field service technicians working in confined spaces or on installed piping systems. The design also makes the die easy to carry, quick to position, and convenient to use where traditional die stocks may not fit.\u003c\/p\u003e\n\u003cp\u003eWESTport Hexagon Pipe Dies are widely used throughout manufacturing, oil and gas, chemical processing, water treatment, HVAC, hydraulic systems, pneumatic systems, construction, and general industrial maintenance. 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Every threading product we supply is backed by our commitment to quality, technical expertise, and responsive customer service, helping customers maintain productivity while producing dependable threaded connections.\u003c\/p\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces accurate external pipe threads\u003c\/li\u003e\n\u003cli\u003eRestores damaged or worn pipe threads\u003c\/li\u003e\n\u003cli\u003eSimple to use with common hand tools\u003c\/li\u003e\n\u003cli\u003eCompact design for confined work areas\u003c\/li\u003e\n\u003cli\u003eLong service life\u003c\/li\u003e\n\u003cli\u003eConsistent thread quality\u003c\/li\u003e\n\u003cli\u003eReduces replacement costs by repairing existing threads\u003c\/li\u003e\n\u003cli\u003eDependable performance in the field or shop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePipe thread repair\u003c\/li\u003e\n\u003cli\u003ePipe thread restoration\u003c\/li\u003e\n\u003cli\u003eMaintenance departments\u003c\/li\u003e\n\u003cli\u003ePlumbing contractors\u003c\/li\u003e\n\u003cli\u003eOil and gas equipment\u003c\/li\u003e\n\u003cli\u003eHydraulic systems\u003c\/li\u003e\n\u003cli\u003ePneumatic systems\u003c\/li\u003e\n\u003cli\u003eWater treatment facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial maintenance\u003c\/li\u003e\n\u003cli\u003eGeneral manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Information\u003c\/h2\u003e\n\u003cp\u003eWESTport Hexagon Pipe Dies are designed for cutting and chasing external pipe threads with precision and repeatability. Their hexagonal profile allows use with standard wrenches or die holders, making them ideal for maintenance and repair work where portability and accessibility are important. Precision manufacturing ensures clean thread profiles, reliable engagement, and long tool life for industrial pipe-threading applications.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose WESTport?\u003c\/h2\u003e\n\u003cp\u003eFor more than 35 years, WESTport has been a trusted supplier of precision thread gages, taps, dies, metrology equipment, hardness testing products, and ISO\/IEC 17025 calibration services. Our extensive product offering, engineering expertise, and commitment to quality enable us to provide precision threading solutions that improve productivity and deliver reliable performance. 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