{"product_id":"mgn12-400mm-linear-sliding-rail-guide-with-mgn12c","title":"MGN12 400mm Linear Sliding Rail Guide With MGN12C Carriage Block And Mini Guide For DIY Mini Engraving CNC Machines And 3D Printers Smooth Linear Motion For Precise Tooling","description":"\u003cdiv\u003eHigh-precision 400mm MGN12 linear rail with carriage \u003cbr\u003e\n✔️ 1 set: rail 400x12x8 mm, carriage MGN12C, mini guide \u003cp\u003eThis precision linear guide system pairs a 400 mm rail with an MGN12C carriage and a mini guide, delivering smooth, accurate motion for DIY engraving CNC machines and 3D printers. It’s built for tight tolerances and reliable performance in laser, PCB inspection, and robotic projects.\u003c\/p\u003e ✅ Rail size: 400x12x8 mm (LxWxH) for sturdy guidance \u003cbr\u003e\n✅ Carriage: MGN12C, 34.7x27x10 mm for tight fits \u003cbr\u003e\n✅ Material: bearing steel for wear resistance and load capacity \u003cbr\u003e\n✅ Friction-reducing: built-in steel balls for smooth, quiet operation \u003cbr\u003e\n✅ Mini guide included to keep balls in place during assembly \u003cbr\u003e\n✅ Installation: slide carriage into rail with proper parallel alignment \u003cbr\u003e \u003cp\u003e💡 What is a linear guide rail used for in CNC and 3D printer setups?\nThis handy component delivers precise, smooth, repeatable motion for accurate tooling.\n- High rigidity helps maintain tight tolerances\n- Low-friction ball bearing action reduces wear and noise\n- Easy integration with MGN12C carriages and mini guides\n- Suitable for laser cutting, PCB inspection, and robotics\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48111015330027,"sku":"VXB0G5XSLR9M","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/517DWSe5CrL.jpg?v=1776499744","url":"https:\/\/vxb.com\/products\/mgn12-400mm-linear-sliding-rail-guide-with-mgn12c","provider":"VXB Bearings","version":"1.0","type":"link"}