{"product_id":"20mm-cnc-linear-shaft-20-hardened-rod-l","title":"20mm CNC Linear Shaft - 20\" Length - Linear Motion Hardened Rod","description":"\u003cp\u003e20mm CNC Linear Motion Shaft\u003cbr\u003e✔️ 20\" Long - Hardened Steel Precision Rod for Smooth Travel\u003c\/p\u003e\n\u003cp\u003eThis 20mm diameter CNC linear shaft is built from hardened steel and cut to a 20-inch length for reliable linear motion. Designed for high-speed, low-friction movement, it's ideal for CNC machines, 3D printers, automation setups, and robotic builds that demand accuracy and rigidity.\u003c\/p\u003e\n\u003cp\u003e✅ Diameter: 20mm\u003cbr\u003e✅ Length: 20 inches\u003cbr\u003e✅ Made from hardened steel for durability\u003cbr\u003e✅ Precision ground surface for smooth glide\u003cbr\u003e✅ Handles high load and repeat travel\u003cbr\u003e✅ Perfect for CNC, robotics, printers, and automation\u003c\/p\u003e\n\u003cp\u003e💡 Why are hardened steel linear shafts used in CNC and 3D printer builds?\u003cbr\u003eThese shafts keep motion systems strong and consistent:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain straight travel even under stress\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResist wear from linear bearings and repeated use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDeliver smoother movement thanks to ground finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect for setups where precision really matters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're building a CNC rig or upgrading your printer rails, this rod gives you the straight, tough motion path you need. Grab one now and get your motion system on point.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":48282750779610,"sku":"Kit7325","price":76.13,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/2674\/3514\/files\/20mm-cnc-linear-shaft-20-hardened-rod-linear-motion-vxb-ball-bearings.jpg?v=1785426320","url":"https:\/\/hfbearings.ca\/products\/20mm-cnc-linear-shaft-20-hardened-rod-l","provider":"H\u0026F Bearings","version":"1.0","type":"link"}