{"product_id":"two-piece-hgr20-400mm-linear-rail-and-rm1605-450mm","title":"Two Piece HGR20 400mm Linear Rail And RM1605 450mm Ballscrew Kit With BF12 BK12 Nut Housing Coupling And Slide Blocks For DIY CNC Routers Lathes Mills Rig","description":"\u003cdiv\u003eTwo-piece HGR20 400mm Rail and RM1605 450mm Ball Screw Kit\n✔️ Includes 2x HGR20-400 rails, RM1605-450 screw, 4 blocks, coupler. \u003cp\u003eThe kit is built for high-precision linear motion in automation gear. It pairs two HGR20-400 rails with a RM1605-450 ballscrew and nut, plus BK12\/BF12 end supports and a coupling. It's widely used in DIY CNC routers, lathes, machine tools, bending machines, and laser welding machines for accurate, repeatable travel. It also features pre-drilled rails for easy mounting and alignment.\u003c\/p\u003e \u003cp\u003e✅ Two-piece kit includes HGR20-400 rails and RM1605-450 screw.\u003cbr\u003e✅ Four guide blocks provide stable, smooth linear movement with low noise.\u003cbr\u003e✅ BK12\/BF12 end supports and a coupling included for easy mounting.\u003cbr\u003e✅ Pre-drilled rails enable quick, secure installation.\u003cbr\u003e✅ DSG16H nut housing secures the ball nut for reliable travel.\u003c\/p\u003e \u003cp\u003e💡 What is a linear rail and ball screw kit used for in CNC machines?\u003c\/p\u003e\n\u003cp\u003eHandy answer: It provides precise, repeatable motion for accurate machining and automation.\u003c\/p\u003e\n- It delivers smooth, low-friction travel for precise positioning.\u003cbr\u003e\n- Combines rails, blocks, screws, and end supports to form a complete motion system.\u003cbr\u003e\n- Helps convert rotary drive into linear movement with reliable repeatability.✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49043376537835,"sku":"VXB08Q3X3Q4G","price":141.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71d1CuXYrjL_02856c92-f30e-4d74-8a98-796b6bad79c7.jpg?v=1783872942","url":"https:\/\/vxb.com\/products\/two-piece-hgr20-400mm-linear-rail-and-rm1605-450mm","provider":"VXB Bearings","version":"1.0","type":"link"}