{"product_id":"stainless-steel-hex-nipple-bsp-pipe-fitting-adapter","title":"Stainless Steel Hex Nipple BSP Pipe Fitting — Male Thread Adapter 1\/4\" to 1-1\/4\"","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBSP Hex Nipple Stainless Steel Pipe Fitting — Reliable Male Thread Adapter for Plumbing \u0026amp; Fluid Systems\u003c\/h2\u003e\n\u003cp\u003eWhen a leaking joint or a mismatched pipe connection brings your project to a halt, having the right BSP hex nipple adapter on hand makes all the difference. Whether you're a plumber, HVAC technician, irrigation installer, or serious DIYer, these stainless steel BSP male thread hex nipple fittings give you a dependable, corrosion-resistant connection point for a wide range of pipe systems.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from stainless steel with a hex body for easy wrench installation. Available in straight sizes from 1\/4\" BSP to 1-1\/4\" BSP, as well as reducer configurations (e.g., 1\/4\" to 1\/2\", 3\/8\" to 1\/2\", 1\/2\" to 3\/4\", 1\/2\" to 1\", 3\/4\" to 1\") — sold individually (1 pcs per order). Thickened and extended-length variants (40mm \/ 50mm ≈ 1.57\" \/ 1.97\") are available for higher-pressure or deeper-port applications. Select your size and configuration from the variant options above.\u003c\/p\u003e\n\u003cp\u003eThese BSP pipe fitting adapters are well-suited for residential and commercial plumbing connections, compressed air line assemblies, water treatment and filtration systems, and outdoor irrigation manifolds where a compact, wrench-friendly male-to-male thread adapter is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e \u003cstrong\u003eThread Standard:\u003c\/strong\u003e BSP (British Standard Pipe) Male Thread — sizes 1\/4\" through 1-1\/4\" BSP. \u003cstrong\u003eNote:\u003c\/strong\u003e BSP and NPT threads are not interchangeable. Verify your system's thread standard before ordering.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These BSP Hex Nipple Stainless Steel Pipe Fittings\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eHex Body for Secure Wrench Grip\u003c\/strong\u003e — The six-sided body allows a standard open-end or adjustable wrench to seat firmly, preventing rounding during installation and removal of BSP male thread pipe fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStainless Steel Construction\u003c\/strong\u003e — Resists rust, scale, and corrosion in water, air, and mild chemical service — a practical choice for outdoor plumbing fittings and wet-environment installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e↔️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStraight \u0026amp; Reducer Configurations\u003c\/strong\u003e — Stock both same-size and step-down reducer hex nipple BSP options to handle pipe size transitions without stacking multiple adapters.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMultiple Length Options on 1\/2\" Size\u003c\/strong\u003e — Standard, thickened, 40mm (≈1.57\"), and 50mm (≈1.97\") variants give you flexibility for deep-port connections and higher-pressure compressed air line fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePrecision-Cut Male Threads\u003c\/strong\u003e — Consistent thread form ensures smooth engagement with BSP female ports on valves, manifolds, and pipe couplings, reducing the risk of cross-threading during assembly.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏠\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBroad Application Range\u003c\/strong\u003e — Suitable for residential plumbing, irrigation system adapters, compressed air distribution, and water filtration connections where a compact male-to-male BSP fitting is required.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eConfirm before ordering:\u003c\/strong\u003e Thread type (BSPT tapered vs. BSPP parallel), required length, and system pressure rating. Use PTFE tape or appropriate thread sealant for a leak-free joint.\u003c\/div\u003e\n\u003ch2\u003e📐 Technical Specifications — BSP Hex Nipple Stainless Steel Pipe Fittings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHex Nipple Pipe Fitting Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eBSP (British Standard Pipe) Male Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Straight Sizes\u003c\/th\u003e\n\u003ctd\u003e1\/4\", 3\/8\", 1\/2\", 3\/4\", 1\", 1-1\/4\" BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Reducer Sizes\u003c\/th\u003e\n\u003ctd\u003e1\/4\" to 1\/2\", 3\/8\" to 1\/2\", 1\/2\" to 3\/4\", 1\/2\" to 1\", 3\/4\" to 1\" BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Variants (1\/2\" size)\u003c\/th\u003e\n\u003ctd\u003eStandard \/ Thickened \/ 40mm (≈1.57\") \/ 50mm (≈1.97\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody Shape\u003c\/th\u003e\n\u003ctd\u003eHexagonal (Hex) for wrench installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnds\u003c\/th\u003e\n\u003ctd\u003eBoth ends Male Thread (BSP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Pressure\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pcs (sold individually)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003ePlumbing, compressed air, irrigation, water filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right BSP hex nipple size?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure the inner diameter of your pipe or fitting port. BSP sizes are nominal — a 1\/2\" BSP fitting typically has an actual thread OD of around 20.9mm (≈0.82\"). For reducer nipples, match the larger end to your existing pipe and the smaller end to the component you're connecting. When in doubt, check your system's thread gauge or contact us to confirm the right fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat pressure rating do these hex nipple fittings handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eStainless steel BSP hex nipples generally handle working pressures up to 150 PSI or higher depending on size and wall thickness. Thickened variants are typically rated for higher-pressure applications such as compressed air line fittings. Always verify the pressure rating against your system specifications before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these fittings be used outdoors or in wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Stainless steel offers strong corrosion resistance and is generally suitable for outdoor plumbing fittings, irrigation system adapters, and wet-environment installations. For highly saline or aggressive chemical environments, 316 stainless is typically preferred over 304. Contact us to confirm the specific grade available for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these BSP or NPT thread fittings — can I use them with NPT ports?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese are BSP (British Standard Pipe) male thread fittings. BSP uses a 55° thread angle; NPT uses 60°. They are \u003cstrong\u003enot directly interchangeable\u003c\/strong\u003e. In some cases a BSP fitting may partially engage an NPT port, but this will not produce a reliable, leak-free seal. If your system uses NPT threads, please verify compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need thread sealant or PTFE tape with these fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes, in most cases. BSPT (tapered) threads generally require PTFE tape or a thread sealant compound applied to the male threads for a leak-free seal. BSPP (parallel) threads typically rely on a sealing washer or O-ring at the mating face rather than thread sealant alone. Apply sealant per your system's requirements and local plumbing code.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is a hex nipple and when should I use a reducer hex nipple?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA hex nipple is a short double-ended male-threaded fitting with a hexagonal body for wrench grip. Use a \u003cstrong\u003estraight hex nipple\u003c\/strong\u003e to join two female-threaded ports of the same BSP size. Use a \u003cstrong\u003ereducer hex nipple\u003c\/strong\u003e (e.g., 1\/2\" to 3\/4\" BSP) to connect ports of different sizes in a single compact fitting, eliminating the need for a separate bushing or coupling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat tools do I need to install these BSP pipe fittings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYou typically need two adjustable wrenches or open-end wrenches — one to hold the hex body of the nipple and one to tighten the mating fitting. The hex body design makes installation straightforward without specialized pipe tools. Avoid over-tightening, which can damage threads or cause stress cracking in the fitting body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003esize and configuration\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"1\u00264\" \/ 1 pcs","offer_id":52336720838930,"sku":"PENG026013x1","price":3.66,"currency_code":"USD","in_stock":true},{"title":"3\u00268\" \/ 1 pcs","offer_id":52336720871698,"sku":"PENG026014x1","price":3.93,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" \/ 1 pcs","offer_id":52336720904466,"sku":"PENG026005x1","price":3.66,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" (Thickened) \/ 1 pcs","offer_id":52336720937234,"sku":"PENG026011x1","price":4.42,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" (40mm) \/ 1 pcs","offer_id":52336720970002,"sku":"PENG026012x1","price":4.28,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" (50mm) \/ 1 pcs","offer_id":52336721002770,"sku":"PENGWEWY000037x1","price":5.51,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" \/ 1 pcs","offer_id":52336721035538,"sku":"PENG026006x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 1 pcs","offer_id":52336721068306,"sku":"PENG026007x1","price":8.28,"currency_code":"USD","in_stock":true},{"title":"1-1\u00264\" \/ 1 pcs","offer_id":52336721101074,"sku":"PENG026017x1","price":14.62,"currency_code":"USD","in_stock":true},{"title":"1\u00264\" to 1\u00262\" \/ 1 pcs","offer_id":52336721133842,"sku":"PENG026015x1","price":4.2,"currency_code":"USD","in_stock":true},{"title":"3\u00268\" to 1\u00262\" \/ 1 pcs","offer_id":52336721166610,"sku":"PENG026016x1","price":4.34,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" to 3\u00264\" \/ 1 pcs","offer_id":52336721199378,"sku":"PENG026008x1","price":5.43,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" to 3\u00264\" (Special) \/ 1 pcs","offer_id":52336721232146,"sku":"PENG026018x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"1\u00262\" to 1\" \/ 1 pcs","offer_id":52336721264914,"sku":"PENG026009x1","price":9.32,"currency_code":"USD","in_stock":true},{"title":"3\u00264\" to 1\" \/ 1 pcs","offer_id":52336721297682,"sku":"PENG026010x1","price":10.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of22_7c6cf75a-43f7-4cca-9cce-a9ee690bc681.jpg?v=1781154757","url":"https:\/\/homediyer.com\/de\/products\/stainless-steel-hex-nipple-bsp-pipe-fitting-adapter","provider":"HomeDIYer","version":"1.0","type":"link"}