{"product_id":"high-precision-300mm-ball-screw-system-with-12mm-d","title":"High Precision 300mm Ball Screw System With 12mm Diameter 4mm Lead End Processing Metal Ball Nut BK10 And BF10 End Supports And Coupler For DIY CNC Machines And 3D Printers For Accurate Low Noise Motion And Long Service Life","description":"\u003cdiv\u003e300mm RM1204 Ball Screw Kit with Nut and End Supports\u003cbr\u003e\n✔️ 12 mm dia, 4 mm pitch, 300 mm length, end processing  \u003cp\u003eThis 300mm RM1204 ball screw kit includes a precision ballnut, BK10 and BF10 end supports, and a coupler for CNC machines. The 12 mm diameter screw provides a 4 mm lead for smooth, low-friction travel and long service life. End processing facilitates straightforward mounting on DIY CNC routers, laser cutters, or 3D printers. Pack size: 1 set.\u003c\/p\u003e \u003cp\u003e✅ Ball screw diameter 12 mm, lead 4 mm, length 300 mm with end processing \u003cbr\u003e\n✅ Ballnut included for smooth motion \u003cbr\u003e\n✅ BK10 and BF10 end supports for secure mounting \u003cbr\u003e\n✅ Coupler included for easy drive alignment \u003cbr\u003e\n✅ Ideal for CNC, DIY projects, and 3D printers \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a ball screw kit used for in CNC machines and 3D printers? In short, it provides precise linear motion by turning rotation into controlled, smooth displacement with minimal backlash.\n- handy for accurate positioning in DIY CNC routers\n- great for 3D printers needing rigid, repeatable axes\n- pairs with BK10 and BF10 end supports and a ballnut for alignment\u003c\/p\u003e \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404245659967,"sku":"VXB0CP22L5NQ","price":114.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/300mm-ball-screw-kit-bk10-bf10-end-supports-coupler.jpg?v=1776653093","url":"https:\/\/bearingscanada.com\/products\/high-precision-300mm-ball-screw-system-with-12mm-d","provider":"Bearings Canada","version":"1.0","type":"link"}