{"product_id":"honeybadger-mgn12h-stainless-steel-linear-rails","title":"HoneyBadger MGN12H Stainless Steel Linear Rails","description":"\u003cp\u003eCoreXY and high-precision 3D printer builders know that linear rail rigidity and smooth motion are critical to avoiding layer inconsistencies and mechanical backlash that degrade print quality. Without reliable rails, prints can suffer from ringing, layer shifting, and reduced dimensional accuracy.\u003c\/p\u003e\u003cp\u003eThe HoneyBadger MGN12H Stainless Steel Linear Rails by Fabreeko are engineered for demanding 3D printer builds like Voron 2.4, Trident, and other CoreXY systems requiring tight motion control. Constructed from 440C hardened stainless steel with thicker 6.5 mm guides and a medium-high custom preload, these rails deliver enhanced rigidity and smooth travel. Pre-lubed with EP2 grease and featuring a grease port for easy maintenance, they eliminate the need for solvent soaking. The Gen 3 Class H quality control ensures exceptional straightness and parallelism, making these rails a trusted upgrade for precision-focused DIY and upgrade communities.\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e440C Hardened Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Width\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreload\u003c\/td\u003e\n\u003ctd\u003eMedium-High Custom Preload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLubrication\u003c\/td\u003e\n\u003ctd\u003ePre-lubed with EP2 grease, grease port included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuality Control\u003c\/td\u003e\n\u003ctd\u003eClass H (straightness tolerance 0.01mm\/m, parallelism \u0026lt;0.016mm\/m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year No-Questions-Asked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Printers\u003c\/td\u003e\n\u003ctd\u003eVoron 2.4, Trident, CoreXY Builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhy Upgrade?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduce mechanical backlash and improve layer consistency on CoreXY printers like Voron 2.4 and Trident\u003c\/li\u003e\n\u003cli\u003e440C hardened stainless steel construction resists wear and corrosion for long-term reliability\u003c\/li\u003e\n\u003cli\u003eMedium-high preload minimizes rail play, enhancing print dimensional accuracy\u003c\/li\u003e\n\u003cli\u003ePre-lubricated rails with grease port simplify maintenance and extend service life\u003c\/li\u003e\n\u003cli\u003eClass H quality control ensures tight tolerances for smooth, precise motion\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoron 2.4 and Trident builders upgrading motion systems for higher precision\u003c\/li\u003e\n\u003cli\u003eCoreXY printer enthusiasts seeking durable, low-maintenance linear rails\u003c\/li\u003e\n\u003cli\u003eDIY 3D printer builders requiring reliable rails for high-speed, high-accuracy printing\u003c\/li\u003e\n\u003cli\u003eUsers replacing worn or low-quality MGN12H rails prone to play and noise\u003c\/li\u003e\n\u003cli\u003eFabreeko HoneyBadger fans wanting the latest Gen 3 Class H quality rails\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePair With the Right Filament\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReliable linear motion is essential for printing demanding filaments that require precise layer placement and minimal vibration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/pla-filament\"\u003ePLA Filament\u003c\/a\u003e — smooth motion supports clean, detailed prints with standard materials\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/petg-filament\"\u003ePETG Filament\u003c\/a\u003e — consistent rail performance helps manage stringing and layer adhesion\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/tpu-flexible-filament\"\u003eTPU Flexible Filament\u003c\/a\u003e — tight motion control reduces artifacts when printing flexible materials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fabreeko","offers":[{"title":"300 mm class H","offer_id":52904598176038,"sku":"C10-S0155","price":28.99,"currency_code":"USD","in_stock":false},{"title":"330 mm class H","offer_id":52904598208806,"sku":"C10-S0156","price":32.99,"currency_code":"USD","in_stock":true},{"title":"350 mm class H","offer_id":52904598241574,"sku":"C10-S0157","price":35.29,"currency_code":"USD","in_stock":true},{"title":"400 mm class H","offer_id":52904598274342,"sku":"C10-S0158","price":37.99,"currency_code":"USD","in_stock":false},{"title":"450 mm class H","offer_id":52904598307110,"sku":"C10-S0159","price":42.99,"currency_code":"USD","in_stock":false},{"title":"500mm class H","offer_id":52904598339878,"sku":"C10-S0160","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/1986\/2822\/files\/image_5ef4dbeb-3af5-4a4b-853f-4e0e3b9285a8.jpg?v=1774982638","url":"https:\/\/supplies3d.shop\/products\/honeybadger-mgn12h-stainless-steel-linear-rails","provider":"SUPPLIES3D","version":"1.0","type":"link"}