{"title":"Linear Rails","description":"","products":[{"product_id":"salad-fork-linear-rails-kit","title":"Salad Fork Linear Rails Kit","description":"\u003cp\u003eLinear rails for Salad Fork 3D printer.\u003c\/p\u003e\n\u003cp\u003eBlack Kit Includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMGN7H 200 Black x 3 \u003c\/li\u003e\n  \u003cli\u003eMGN7H 230 Black x 2\u003c\/li\u003e\n  \u003cli\u003eMGN9C 210 Black x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e440c Kit includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMGN7H 200 440c Z0 Preload x 3\u003c\/li\u003e\n  \u003cli\u003eMGN7H 230 440c Z0 Preload x 2\u003c\/li\u003e\n  \u003cli\u003eMGN9C 210 440c Z1 Preload x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"dfh.fm","offers":[{"title":"Black Steel","offer_id":43361654440158,"sku":"54440158","price":99.99,"currency_code":"USD","in_stock":false},{"title":"440c","offer_id":43361672560862,"sku":"72560862","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/90C82E4F-AB72-40A8-AE35-F26A52429BEB_1_105_c_e737ea4e-72aa-4419-bcd0-fee9159a0941.jpg?v=1662366578"},{"product_id":"dfh-440c-linear-rails","title":"DFH 440c Linear Rails","description":"\u003cp\u003e\u003cstrong\u003e440C stainless MGN rails for printer and small-CNC motion.\u003c\/strong\u003e DFH 440C Linear Rails are miniature linear guide rails with matching carriages, stocked across MGN7H, MGN9C, MGN9H, MGN12H, MGN15H, and selected MGN15C dual-carriage formats with Z0, Z1, or selected Z2 preload options.\u003c\/p\u003e\n\u003ch3\u003eWhy pick 440C rails?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant 440C stainless steel\u003c\/strong\u003e is a better fit for humid shops, enclosed printers, and machines that may sit between jobs than plain carbon-steel rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGN-format rolling guideways\u003c\/strong\u003e give compact, low-friction linear motion for 3D printers, CoreXY gantries, beds, probes, fixtures, and small CNC or mill projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreload options let you tune the axis\u003c\/strong\u003e: choose easy motion for lightly loaded axes or more constraint where stiffness matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose the right preload\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZ0\u003c\/strong\u003e: light preload and the easiest hand feel. Use for Z axes, bed motion, Ender-style conversions, and low-load axes unless your BOM specifies otherwise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZ1\u003c\/strong\u003e: more constraint than Z0. Good for X\/Y gantries, CoreXY motion, toolheads, and general printer motion where stiffness matters more than free-fall feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZ2\u003c\/strong\u003e: higher preload on selected variants only. Use when the build needs extra stiffness or support; expect a noticeably tighter feel before grease and break-in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries stocked:\u003c\/strong\u003e MGN7H, MGN9C, MGN9H, MGN12H, MGN15H, and selected MGN15C dual-carriage rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLengths stocked:\u003c\/strong\u003e 50mm through 500mm depending on selected rail type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 440C stainless steel linear rail assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreload:\u003c\/strong\u003e Z0, Z1, and selected Z2 options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold by selected variant:\u003c\/strong\u003e standard MGN variants are rail + carriage; MGN15C Dual Carriage variants include the second carriage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e rails may arrive with light storage oil or EP2 grease depending on batch. Wipe, inspect, and grease before final service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment notes\u003c\/h3\u003e\n\u003cp\u003eUse the exact rail type, length, preload, and carriage count from your project BOM. These rails are commonly used in Voron, CoreXY, Ender-conversion, fixture, and compact CNC builds, but a rail that is close is not always interchangeable.\u003c\/p\u003e\n\u003cp\u003eIf you want a project-specific rail bundle instead of loose rails, see the live \u003ca href=\"https:\/\/dfh.fm\/products\/dfh-440c-salad-fork-160mm-linear-rails-kit\"\u003eDFH 440C Salad Fork 160mm Linear Rails Kit\u003c\/a\u003e, \u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-linear-rails-kit-by-kevinakasam\"\u003eBeltDrivenEnder3 440C Stainless Steel Linear Rails Kit\u003c\/a\u003e, or \u003ca href=\"https:\/\/dfh.fm\/products\/zero-g-mercury-one-1-linear-rails-kit\"\u003eZero G Mercury One.1 Linear Rails Kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGotchas before you install\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher preload will not free-fall.\u003c\/strong\u003e Z1 and Z2 rails often feel tight by hand, especially before grease and real machine load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not cut unless you know the process.\u003c\/strong\u003e If you must shorten a rail, use an abrasive method with shallow passes and control heat to avoid warping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis is not a full motion kit.\u003c\/strong\u003e Order belts, pulleys, idlers, fasteners, and project plates separately unless your BOM only calls for the rail itself.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“Super smooth” — verified buyer\u003c\/blockquote\u003e","brand":"dfh.fm","offers":[{"title":"MGN7H \/ 150mm \/ Z0","offer_id":43558913081566,"sku":"3092184761","price":13.99,"currency_code":"USD","in_stock":true},{"title":"MGN7H \/ 150mm \/ Z1","offer_id":43558913114334,"sku":"7643196139","price":13.99,"currency_code":"USD","in_stock":true},{"title":"MGN7H \/ 200mm \/ Z0","offer_id":43558913147102,"sku":"4871618840","price":15.99,"currency_code":"USD","in_stock":false},{"title":"MGN7H \/ 200mm 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Z1","offer_id":43558914752734,"sku":"1929684212","price":23.99,"currency_code":"USD","in_stock":false},{"title":"MGN9H \/ 50mm \/ Z1","offer_id":43771262271710,"sku":"5112241704","price":11.99,"currency_code":"USD","in_stock":true},{"title":"MGN9H \/ 150mm \/ Z0","offer_id":43558913409246,"sku":"3507681820","price":15.99,"currency_code":"USD","in_stock":false},{"title":"MGN9H \/ 150mm \/ Z1","offer_id":43558913442014,"sku":"3555608067","price":15.99,"currency_code":"USD","in_stock":true},{"title":"MGN9H \/ 180mm \/ Z1","offer_id":43839513985246,"sku":"7117130335","price":15.99,"currency_code":"USD","in_stock":true},{"title":"MGN9H \/ 200mm \/ Z0","offer_id":43558913474782,"sku":"5996741555","price":16.99,"currency_code":"USD","in_stock":false},{"title":"MGN9H \/ 200mm \/ Z1","offer_id":43558913507550,"sku":"6183732184","price":17.99,"currency_code":"USD","in_stock":false},{"title":"MGN9H \/ 210mm \/ 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Z0","offer_id":43558793674974,"sku":"4661921212","price":34.0,"currency_code":"USD","in_stock":true},{"title":"MGN9H \/ 400mm \/ Z1","offer_id":43558793707742,"sku":"4940740879","price":34.0,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 200mm \/ Z0","offer_id":43839859065054,"sku":"6842989638","price":19.99,"currency_code":"USD","in_stock":false},{"title":"MGN12H \/ 200mm \/ Z1","offer_id":43558913835230,"sku":"1382366574","price":19.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 300mm \/ Z0","offer_id":43558876872926,"sku":"6076587576","price":29.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 300mm \/ Z1","offer_id":43944855044318,"sku":"4497179182","price":29.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 350mm \/ Z1","offer_id":43558876971230,"sku":"6060387733","price":32.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 400mm \/ Z1","offer_id":43558877036766,"sku":"7441975023","price":34.99,"currency_code":"USD","in_stock":true},{"title":"MGN15C Dual Carriage \/ 250mm \/ Z1","offer_id":43839821381854,"sku":"4560969685","price":43.99,"currency_code":"USD","in_stock":false},{"title":"MGN15C Dual Carriage \/ 350mm \/ Z1","offer_id":43839466602718,"sku":"7844119613","price":49.99,"currency_code":"USD","in_stock":false},{"title":"MGN15C Dual Carriage \/ 500mm \/ Z1","offer_id":43839466668254,"sku":"6293530401","price":59.99,"currency_code":"USD","in_stock":false},{"title":"MGN15H \/ 250mm \/ Z2","offer_id":43558914228446,"sku":"9743497237","price":34.99,"currency_code":"USD","in_stock":true},{"title":"MGN15H \/ 300mm \/ Z2","offer_id":43558877069534,"sku":"9073091783","price":38.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 250mm \/ Z1","offer_id":44770975023326,"sku":"","price":21.99,"currency_code":"USD","in_stock":true},{"title":"MGN12H \/ 330mm \/ Z1","offer_id":44773562810590,"sku":"","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/dfh_440c_linear_rails.jpg?v=1671355596"},{"product_id":"voron-tap","title":"Voron Tap","description":"\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003ePLEASE READ ENTIRE LISTING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThere are 4 versions of the \u003ca href=\"https:\/\/github.com\/VoronDesign\/Voron-Tap\/tree\/main\/OptoTap\" title=\"Voron OptoTap PCB\" target=\"_blank\"\u003eOptoTap PCB\u003c\/a\u003e:\u003c\/p\u003e\n\u003cp\u003ev1 5v and v2 5v-24v, both released in 2022 and \u003cspan data-mce-fragment=\"1\"\u003ev1.3 5v and v2.4 5v-24v, both released in March, 2023.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ev1 5v is just as good as V1.3 5v.\u003c\/p\u003e\n\u003cp\u003ev2 5-24v may set your house on fire, while v2.4 5-24v has, so far, started zero house fires.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eInformation on the kit may be found on the \u003ca href=\"https:\/\/github.com\/VoronDesign\/Voron-Tap\" title=\"Voron Tap GitHub Repo\" target=\"_blank\"\u003eVoron GitHub Tap repo\u003c\/a\u003e. Here's the intro from the manual:\u003c\/p\u003e\n\u003ch4\u003eINTRODUCTION: WELCOME TO TAP\u003c\/h4\u003e\n\u003ch5\u003eWHAT IS TAP?\u003c\/h5\u003e\n\u003cp\u003eTap is a nozzle-based z-probe for the Voron V2 and Trident printer designs. The entire toolhead moves to trigger an optical switch. Tap offers many advantages over other z-probes; Here are a few examples:\u003c\/p\u003e\n\u003ch5\u003eEXTREME PRECISION\u003c\/h5\u003e\n\u003cp\u003eA well constructed Tap, when in service on a well-constructed printer, will be able to measure your Z position reliably with a precision of 0.4 μm (0.0004 mm). This precision will help you better use and maintain your printer.\u003c\/p\u003e\n\u003ch5\u003eANY BUILD SURFACE, CHANGE AT WILL\u003c\/h5\u003e\n\u003cp\u003eTap can measure any securely mounted build surface. Print on Glass, Garolite, Alumina, Moon dust...it no longer matters. Textured plates are ideal for Tap, but adhesive PEI sheets may also be used. Tap is unaffected by beds with magnetic fluctuations (note: magnets may affect the build surface Tap is sensing, such as pulling the plate tighter over the magnet). Once Tap is setup, you should not need to recalibrate after changing nozzles or build plates.\u003c\/p\u003e\n\u003ch5\u003eVORON DURABILITY, HIGH TEMPERATURE OPERATIONS\u003c\/h5\u003e\n\u003cp\u003eTap uses light to detect movement and will never wear out. The sensor in Tap is rated to operate at 70C to 100C and will not degrade over time the way a contact switch or inductive probe can. Even if you brought your chamber temperature to 100C, it will accurately and reliably record your printer melting (assuming you printed in ABS). We tested dozens of printers and thousands of print hours. Hundreds of PIF quality kits were printed using Tap. Some test printers had over 1,000,000 probe cycles to test durability.\u003c\/p\u003e\n\u003ch5\u003eNO COMPLICATED MACROS\u003c\/h5\u003e\n\u003cp\u003eFor consistent probing temperatures, Tap uses a single ‘activate_gcode’ macro in the [probe] config. Tap is always ready to probe and requires no docking or undocking moves.\u003c\/p\u003e\n\u003ch5\u003eZ ENDSTOP ELIMINATION\u003c\/h5\u003e\n\u003cp\u003eThere is no need for a separate Z endstop. Once the offset is configured, it will hold without appreciable drift. It is normal to need slightly different offsets when switching between filament types.\u003c\/p\u003e\n\u003ch5\u003eCRASH PROTECTION\u003c\/h5\u003e\n\u003cp\u003eWith Tap installed, the nozzle and bed are protected from minor crashes (such as accidentally setting your Z to 1 mm below the build surface\u003c\/p\u003e\n\u003cp\u003eHardware\/Motion Kit indludes:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eitem\u003c\/th\u003e\n\u003cth\u003erecommended\u003c\/th\u003e\n\u003cth\u003eincluded\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 mm MGN9 rail (DFH 440c)\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMGN 9H Carriage (DFH Z1)\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 Washers\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3x50 SHCS\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 20 SHCS\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 16 SHCS\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 12 SHCS\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 8 SHCS\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 6 SHCS\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 6 FHCS (Magnetic)\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 12 BHCS\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 x 6 BHCS\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 mm x 3mm magnet (Black Nickel Coated N52)\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat-set inserts (Black Nickel Coated)\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 Hex nut\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eLinear rails are 440 SS, with a Z1 preload. Magnets are black nickel coated N52.\u003c\/strong\u003e\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Rail With OptoTap V1 (5v) and Hardware Kit","offer_id":43703614308574,"sku":"9774985848","price":44.99,"currency_code":"USD","in_stock":false},{"title":"Rail With OptoTap V1.3 (5v) and Hardware Kit","offer_id":44099728965854,"sku":"3292621496","price":44.99,"currency_code":"USD","in_stock":false},{"title":"Rail With OptoTap V2 (5-24v) and Hardware Kit","offer_id":43703614341342,"sku":"6063687286","price":39.99,"currency_code":"USD","in_stock":false},{"title":"Rail With OptoTap V2.4 (5-24v) and Hardware Kit","offer_id":44099728998622,"sku":"2711945763","price":44.99,"currency_code":"USD","in_stock":false},{"title":"Rail With Omron D2HW-0C203MR Switch and Hardware Kit","offer_id":43908232184030,"sku":"9627318867","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Rail With unTAP Hardware Kit","offer_id":43908237623518,"sku":"4721510785","price":14.99,"currency_code":"USD","in_stock":true},{"title":"Rail Only","offer_id":43703614275806,"sku":"2549701423","price":9.99,"currency_code":"USD","in_stock":true},{"title":"V1 5v PCB Only","offer_id":43703642128606,"sku":"3287169236","price":16.99,"currency_code":"USD","in_stock":false},{"title":"V1.3 5v PCB Only","offer_id":44099729031390,"sku":"8363377562","price":16.99,"currency_code":"USD","in_stock":false},{"title":"V2 5-24v PCB Only","offer_id":43703642161374,"sku":"9138356576","price":16.99,"currency_code":"USD","in_stock":true},{"title":"V2.4 5-24V PCB Only","offer_id":44099729064158,"sku":"2912800191","price":16.99,"currency_code":"USD","in_stock":false},{"title":"Hardware Kit Only","offer_id":43703614374110,"sku":"7843728988","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Voron_Tap.jpg?v=1669579334"},{"product_id":"beltdrivenender3-linear-rails-kit-by-kevinakasam","title":"BeltDrivenEnder3 by kevinakasam 440C Stainless Steel Linear Rails Kit","description":"\u003cp\u003eI realize, coming from the Ender ecosystem, this may seem like a crazy price for rails, but you really do get what you pay for. Suck it up. Future you will be glad you did. \u003c\/p\u003e\n\u003cp\u003eKit includes 2 x 300mm MGN12H 440c Linear Rails by DFH.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":43967492325598,"sku":"8415250126","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_3959.jpg?v=1675522320"},{"product_id":"beltdrivenender3-linear-rails-kit-by-kevinakasam-black-steel","title":"BeltDrivenEnder3 by kevinakasam Black Steel Linear Rails Kit","description":"\u003cp\u003e\u003cstrong\u003eBlack-steel Z-axis linear rail pair for the BeltDrivenEnder3 mod.\u003c\/strong\u003e This kit supplies the two \u003cstrong\u003e300 mm MGN12H\u003c\/strong\u003e rails with \u003cstrong\u003eZ0 preload\u003c\/strong\u003e used when adding linear rails to kevinakasam’s BeltDrivenEnder3-style Ender 3 Z-axis build.\u003c\/p\u003e\n\u003ch3\u003eWhy use these rails\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched pair:\u003c\/strong\u003e two 300 mm MGN12H rail-and-carriage assemblies for the left and right Z sides.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZ0 preload:\u003c\/strong\u003e light preload for smooth motion where low drag matters more than heavy machine-tool loading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack steel option:\u003c\/strong\u003e a lower-cost alternative to the \u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-linear-rails-kit-by-kevinakasam\"\u003e440C stainless BeltDrivenEnder3 rail kit\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eQuantity: \u003cstrong\u003e2 rails\u003c\/strong\u003e, each with MGN12H carriage\u003c\/li\u003e\n  \u003cli\u003eRail length: \u003cstrong\u003e300 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eRail size: \u003cstrong\u003eMGN12H\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003ePreload: \u003cstrong\u003eZ0\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMaterial \/ finish: \u003cstrong\u003eblack steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eIntended for Ender 3-family BeltDrivenEnder3 builds based on kevinakasam’s open-source mod, which converts the Ender 3 Z axis from a leadscrew to synchronized belts. The official project notes compatibility with Ender 3, Ender 3 V2, and Ender 3 Pro; it is not for Ender 3 S1.\u003c\/p\u003e\n\u003ch3\u003ePairs with\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-kit-by-kevinakasam\"\u003eBeltDrivenEnder3 Kit by kevinakasam\u003c\/a\u003e for the core conversion hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/fastener-kit-for-beltdrivenender3\"\u003eFastener Kit for BeltDrivenEnder3\u003c\/a\u003e if you are gathering the project hardware separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat this is not\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot the complete BeltDrivenEnder3 conversion kit — belts, printed parts, fasteners, bearings, rods, and electronics are not included unless separately purchased.\u003c\/li\u003e\n  \u003cli\u003eNot stainless steel. Choose the 440C stainless version if corrosion resistance is the priority; keep black-steel rails clean, lubricated, and dry.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44122613711070,"sku":"4862185192","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/sfggsfgdf.jpg?v=1680298864"},{"product_id":"beltdrivenender3-by-kevinakasam-linear-rails-kit","title":"BeltDrivenEnder3 by kevinakasam Linear Rails Set","description":"\u003cp\u003e\u003cstrong\u003eDrop-in rail pair for the BeltDrivenEnder3 MGN Z conversion.\u003c\/strong\u003e This set includes two \u003cstrong\u003e300mm MGN12H linear rails\u003c\/strong\u003e with \u003cstrong\u003eZ0 preload\u003c\/strong\u003e, sized for the KevinAkaSam BeltDrivenEnder3 linear-rail Z-axis variant.\u003c\/p\u003e\n\u003ch3\u003eWhy use this set\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrect format:\u003c\/strong\u003e MGN12H rail and carriage format for the project’s MGN-12H variant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched Z pair:\u003c\/strong\u003e two 300mm rails for the left and right Z uprights.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo material choices:\u003c\/strong\u003e Black Steel for the value build, or 440C Stainless Steel when corrosion resistance matters more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProject fit:\u003c\/strong\u003e intended for the \u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-kit-by-kevinakasam\"\u003eBeltDrivenEnder3 by KevinAkaSam\u003c\/a\u003e conversion when you are building the MGN rail version instead of the stock V-wheel version.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: \u003cstrong\u003e2 × MGN12H linear rails with carriages\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eRail length: \u003cstrong\u003e300mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003ePreload: \u003cstrong\u003eZ0\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eAxis\/use: \u003cstrong\u003eZ-axis rail conversion\u003c\/strong\u003e for BeltDrivenEnder3\u003c\/li\u003e\n  \u003cli\u003eVariant options: \u003cstrong\u003eBlack Steel\u003c\/strong\u003e or \u003cstrong\u003e440C Stainless Steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eFor the KevinAkaSam BeltDrivenEnder3 V3 MGN-12H rail files. The project supports Ender 3-family machines except the S1; confirm your printed parts and frame setup before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat it is not\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot the full belt-driven Z conversion kit; pair with the \u003ca href=\"https:\/\/dfh.fm\/products\/beltdrivenender3-kit-by-kevinakasam\"\u003emain BeltDrivenEnder3 kit\u003c\/a\u003e and the \u003ca href=\"https:\/\/dfh.fm\/products\/fastener-kit-for-beltdrivenender3\"\u003eBeltDrivenEnder3 fastener kit\u003c\/a\u003e as needed.\u003c\/li\u003e\n  \u003cli\u003eNot a cure for extrusion inconsistency or tuning problems; KevinAkaSam specifically calls those out as separate printer-tuning issues.\u003c\/li\u003e\n  \u003cli\u003eRails need cleaning and lubrication. The project author recommends the wheel version first unless you specifically want the rail build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e“High quality. No grit came out when I had these in the ultrasonic cleaner in solvent.”\u003c\/blockquote\u003e","brand":"dfh.fm","offers":[{"title":"Black Steel","offer_id":44186689011934,"sku":"4862185192","price":49.99,"currency_code":"USD","in_stock":true},{"title":"440c Stainless Steel","offer_id":44186689044702,"sku":"8415250126","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/IMG_3959_fee6a378-7070-465d-ac13-73aff958b27c.jpg?v=1683919886"},{"product_id":"lh-stinger-linear-rails-kit","title":"LH Stinger Linear Rails Kit","description":"\u003cp\u003e\u003ca rel=\"noopener\" title=\"LH Stionger Collection at dfh.fm\" href=\"https:\/\/dfh.fm\/collections\/lh-stinger\" target=\"_blank\"\u003eLH Stinger\u003c\/a\u003e is a no-compromise cartesian 3D Printer designed for speed and precision, created as a long-lasting platform for those who like to push quality or speed to the extreme.\u003c\/p\u003e\n\u003cp\u003eKit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e440c Linear Rail by dfh.fm - 250mm * 2\u003c\/li\u003e\n\u003cli\u003e440c Linear Rail by dfh.fm - 300mm * 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore information may be found in the \u003ca rel=\"noopener\" title=\"LH Stinger GitHub repo\" href=\"https:\/\/github.com\/lhndo\/LH-Stinger\/\" target=\"_blank\"\u003eGitHub repo\u003c\/a\u003e and you can check out the full \u003ca rel=\"noopener\" title=\"LH Stionger Collection at dfh.fm\" href=\"https:\/\/dfh.fm\/collections\/lh-stinger\" target=\"_blank\"\u003eLH Stinger collection here\u003c\/a\u003e.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44775797752030,"sku":"6325403320","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/IMG_6278.jpg?v=1707558033"},{"product_id":"pandoras-box-by-masturmynd-linear-rails-kit","title":"Pandora's Box by MasturMynd Linear Rails Kit","description":"\u003cp\u003e\u003cspan\u003ePandora's Box is a modified version of the popular Voron V0 3D printer design. The printer has been enhanced with additional X and Y travel, a triple belted Z kinematic system, and an automatic bed tramming and meshing system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe rails kit includes the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMGN7H Z0 Preload 150mm * 3\u003c\/li\u003e\n\u003cli\u003eMGN7H Z1 Preload 150mm * 2\u003c\/li\u003e\n\u003cli\u003eMGN9H Z1 Preload 200mm * 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore information on the project may be found in MasturMynd's \u003ca title=\"Pandora's Box GitHub Repo\" href=\"https:\/\/github.com\/MasturMynd\/Pandoras_Box\" target=\"_blank\" data-mce-href=\"https:\/\/github.com\/MasturMynd\/Pandoras_Box\"\u003eGitHub repo\u003c\/a\u003e, and our \u003ca rel=\"noopener\" title=\"Pandora's Box collection at dfh.fm\" href=\"https:\/\/dfh.fm\/collections\/pandoras-box-by-masturmynd\" target=\"_blank\"\u003ePandora's Box collection page\u003c\/a\u003e. And, if you like tiny printers, check out our \u003ca title=\"Printers for Ants collection at dfh.fm\" href=\"https:\/\/dfh.fm\/collections\/printers-for-ants\" target=\"_blank\"\u003ePrinters for Ants collection\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":44811878170846,"sku":"3575599387","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/pandora_rails_square.jpg?v=1708773990"},{"product_id":"zero-g-mercury-one-1-linear-rails-kit","title":"Zero G Mercury One.1 Linear Rails Kit","description":"\u003cp\u003eThe Mercury One.1 upgrade transforms your current Ender 5(Pro\/Plus) into a CoreXY system. This provides an improvement over the Cartesian system, which relies on V-rollers that may lack precision and demand considerable maintenance. Additionally, the CoreXY system is optimized for higher speeds, enhancing your 3D printing experience and quality.\u003c\/p\u003e\n\u003cp\u003eRails kit includes 440c stainless steel MGN12H rails with a preload of Z1. Rails ship greased, but dry.\u003c\/p\u003e\n\u003cp\u003eSizes are 330mm, for 5 (Pro) and 450mm for Plus.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Ender 5 (Pro)","offer_id":44830742085854,"sku":"9353240068","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Ender 5 Plus","offer_id":44830742118622,"sku":"","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/IMG_6452.jpg?v=1709112726"}],"url":"https:\/\/formosissima.myshopify.com\/collections\/linear-rails.oembed","provider":"dfh.fm","version":"1.0","type":"link"}