{"product_id":"elegoo-hardened-steel-nozzle-kit-neptune-4-series","title":"Elegoo Hardened Steel Nozzle Kit - Neptune 4 Series","description":"\u003ch3\u003e\u003cstrong\u003eBuilt for the Filaments That Destroy Brass.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCarbon fiber. Metal-infused. Glass fiber. Wood fill. Glow-in-the-dark. These are the filaments that makers reach for when the job demands strength, aesthetics, or performance that standard PLA and PETG can't deliver — and the same filaments that will destroy a brass nozzle in a matter of hours. The abrasive particles suspended in these materials act like sandpaper on softer metals, widening the nozzle orifice with every print until your diameter drifts, your extrusion becomes inconsistent, and your print quality collapses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThat's what hardened steel is for.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Elegoo hardened steel nozzle kit gives you three diameters — 0.4mm, 0.6mm, and 0.8mm — each machined from high-grade tool steel to deliver outstanding wear resistance, excellent high-temperature performance, and smooth internal geometry optimized for the Neptune 4 series platform. These nozzles handle the abrasive load that destroys brass without deterioration, maintaining their orifice diameter and internal surface quality through extended use with the most demanding materials.\u003c\/p\u003e\n\u003cp\u003eThe precise manufacturing and smooth inner bore also pay dividends even on standard filaments — consistent extrusion, finer detail, reduced clog risk — making this a solid upgrade for any Neptune 4 user who wants nozzles that go the distance regardless of what's loaded in the extruder.\u003c\/p\u003e\n\u003cblockquote data-sourcepos=\"37:1-41:200;2518-2955\" class=\"ml-2 border-l-4 border-[hsl(var(--border-300)\/0.1)] pl-4 text-text-300\"\u003e\n\u003cstrong\u003e⚠️ Important — Verify Version Compatibility Before Purchase:\u003c\/strong\u003e\n\u003cul data-sourcepos=\"38:3-40:2;2587-2755\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli data-sourcepos=\"38:3-38:94;2587-2678\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eNeptune 4 Plus \/ Neptune 4 Max:\u003c\/strong\u003e Compatible with both Ribbon-Cable and Type-C versions\u003c\/li\u003e\n\u003cli data-sourcepos=\"39:3-39:75;2681-2753\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eNeptune 4 \/ Neptune 4 Pro:\u003c\/strong\u003e Compatible with \u003cstrong\u003eType-C version ONLY\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\nCheck your printer's version before ordering. Type-C vs Ribbon-Cable versions use different hotend assemblies. If unsure, check the port on your print head or refer to your printer's documentation.\u003c\/blockquote\u003e\n\u003cp\u003e\u003cstrong\u003eThe right nozzle for the toughest filaments — perfect for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"45:1-52:92;3021-3705\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli data-sourcepos=\"45:1-45:106;3021-3126\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCarbon fiber reinforced filaments (PLA-CF, PETG-CF, PA-CF) — abrasive particles will wear brass rapidly\u003c\/li\u003e\n\u003cli data-sourcepos=\"46:1-46:111;3127-3237\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMetal-infused filaments (copper fill, bronze fill, stainless fill) — highly abrasive, require hardened steel\u003c\/li\u003e\n\u003cli data-sourcepos=\"47:1-47:75;3238-3312\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGlass fiber filaments — extremely abrasive, among the hardest on nozzles\u003c\/li\u003e\n\u003cli data-sourcepos=\"48:1-48:73;3313-3385\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGlow-in-the-dark filaments — contain abrasive phosphorescent particles\u003c\/li\u003e\n\u003cli data-sourcepos=\"49:1-49:76;3386-3461\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWood fill and stone\/ceramic fill filaments — abrasive composite materials\u003c\/li\u003e\n\u003cli data-sourcepos=\"50:1-50:69;3462-3530\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHigh-temperature printing applications requiring thermal stability\u003c\/li\u003e\n\u003cli data-sourcepos=\"51:1-51:83;3531-3613\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNeptune 4 Plus and Neptune 4 Max owners who frequently print specialty filaments\u003c\/li\u003e\n\u003cli data-sourcepos=\"52:1-52:92;3614-3705\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMakers who want a durable nozzle that works across all filament types, including abrasives\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 data-sourcepos=\"56:1-56:49;3712-3760\" class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eHardened Steel vs. Brass — Which Do You Need?\u003c\/h2\u003e\n\u003cdiv data-sourcepos=\"58:1-64:70;3762-4188\" class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003e\u003c\/th\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eKit, Hardened Recommendation\u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e:\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Keep both kits on hand. Use brass for everyday printing with standard filaments (faster heat-up, better thermal conductivity). Switch to hardened steel when printing abrasive materials. Swapping nozzles on the Neptune 4 series is straightforward — a few minutes, and you're running the right nozzle for the job.\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003e\u003cbr\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 data-sourcepos=\"70:1-70:33;4530-4562\" class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eChoosing Your Nozzle Diameter\u003c\/h2\u003e\n\u003cul data-sourcepos=\"72:1-74:144;4564-4977\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli data-sourcepos=\"72:1-72:150;4564-4713\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e0.4mm\u003c\/strong\u003e — the standard diameter. Best detail resolution, suitable for all compatible filaments and everyday printing. Start here if you're unsure\u003c\/li\u003e\n\u003cli data-sourcepos=\"73:1-73:120;4714-4833\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e0.6mm\u003c\/strong\u003e — the sweet spot for high-speed printing. Faster than 0.4mm while retaining solid detail and clean surfaces\u003c\/li\u003e\n\u003cli data-sourcepos=\"74:1-74:144;4834-4977\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e0.8mm\u003c\/strong\u003e — fast production printing. Ideal for large functional parts, structural prints, and jobs where speed outweighs fine surface detail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 data-sourcepos=\"78:1-78:16;4984-4999\" class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-sourcepos=\"80:1-85:159;5001-6030\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli data-sourcepos=\"80:1-80:225;5001-5225\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWear-Resistant Hardened Steel\u003c\/strong\u003e — high-grade tool steel resists the abrasive particles in carbon fiber, metal-infused, and composite filaments. Maintains orifice diameter and internal surface quality through extended use\u003c\/li\u003e\n\u003cli data-sourcepos=\"81:1-81:141;5226-5366\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e3 Diameters in One Kit\u003c\/strong\u003e — 0.4mm, 0.6mm, and 0.8mm for precision, balanced, and fast production printing across all compatible materials\u003c\/li\u003e\n\u003cli data-sourcepos=\"82:1-82:199;5367-5565\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eExcellent Heat Resistance\u003c\/strong\u003e — withstands elevated printing temperatures without deforming or failing, ensuring reliable performance even at the high temps required by engineering-grade filaments\u003c\/li\u003e\n\u003cli data-sourcepos=\"83:1-83:153;5566-5718\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePrecision Machined\u003c\/strong\u003e — smooth internal bore minimizes turbulence, prevents filament sticking, and reduces clog risk across a wide range of materials\u003c\/li\u003e\n\u003cli data-sourcepos=\"84:1-84:153;5719-5871\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSuperior Print Quality\u003c\/strong\u003e — precise geometry and smooth internal surface deliver consistent extrusion and fine detail even with challenging filaments\u003c\/li\u003e\n\u003cli data-sourcepos=\"85:1-85:159;5872-6030\" class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWide Filament Compatibility\u003c\/strong\u003e — suitable for PLA, ABS, PETG, TPU, and all abrasive specialty filaments, including carbon fiber, metal fill, and glass fiber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 data-sourcepos=\"89:1-89:17;6037-6053\" class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cdiv data-sourcepos=\"91:1-96:38;6055-6303\" class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003ePrinter\u003c\/th\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\"\u003eCompatible Versions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eNeptune 4 Plus\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eRibbon-Cable version ✓ \/ Type-C version ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eNeptune 4 Max\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eRibbon-Cable version ✓ \/ Type-C version ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eNeptune 4 Pro\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eType-C version ONLY ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eNeptune 4\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eType-C version ONLY ✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cblockquote data-sourcepos=\"98:1-98:71;6305-6375\" class=\"ml-2 border-l-4 border-[hsl(var(--border-300)\/0.1)] pl-4 text-text-300\"\u003eNot compatible with Neptune 4 \/ Neptune 4 Pro Ribbon-Cable versions.\u003c\/blockquote\u003e","brand":"Elegoo","offers":[{"title":"Default Title","offer_id":53567347523949,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/8392\/8685\/files\/ElegooHardenedSteelNozzleKitforNeptune4and4Pro1.png?v=1784207525","url":"https:\/\/www.consum3d.com\/products\/elegoo-hardened-steel-nozzle-kit-neptune-4-series","provider":"CONSUM3D","version":"1.0","type":"link"}