{"product_id":"8mm-by-700mm-linear-motion-rods-set-of-2-heavy-dut","title":"8mm by 700mm Linear Motion Rods Set of 2 Heavy Duty High Hardness Steel Shafts With Chrome Plating 55 60 HRC For CNC Machines And 3D Printers Corrosion Resistant Precision Upgrade","description":"\u003cdiv\u003e8mm x 700mm Heavy-Duty Linear Motion Rods Set of 2 for CNC\u003cbr\u003e\n✔️ 8mm dia, 700mm length, 55-60 HRC, chrome plated \u003cp\u003eThese 8mm by 700mm linear motion shafts are built from C45 steel with chrome plating for corrosion resistance and long-lasting precision. They’re intended for use in CNC machines, 3D printers, engraving tools, and other automation equipment, and are sold as a 2‑shaft set to pair with standard bearing blocks and closed-type slide units for smooth, low-noise motion.\u003c\/p\u003e \u003cp\u003e✅ Diameter 8mm, tolerance -0.005 to -0.03 mm (7.995-7.97) \u003cbr\u003e✅ Length 700mm, tolerance ±0.5 mm (699.5-700.5) \u003cbr\u003e✅ Case hardness 55-60 HRC via high-frequency quenching \u003cbr\u003e✅ Chrome plating 10-20 μm, Ra 0.8 finish \u003cbr\u003e✅ Straightness ≤ 5 m per 100 mm \u003cbr\u003e✅ Pack: 2 shafts per order \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a handy choice for upgrading linear motion components in CNC machines?\u003c\/p\u003e\n\u003cp\u003eThese shafts offer reliable dimension control and corrosion resistance for smooth, precise motion.\u003c\/p\u003e\n- 8mm x 700mm shafts fit standard bearing blocks and closed-type slide units\n- Chrome plating (10-20 μm) provides wear resistance and Ra 0.8 surface finish\n- C45 steel core with 55-60 HRC offers durable, low-wear performance\n- Maintains tight tolerances for consistent motion in CNC and 3D printer setups ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49119474319595,"sku":"VXB08HWZ2FR1","price":77.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61uWV0OdftL_44b9f993-3615-474e-adae-e1f299a16849.jpg?v=1785221283","url":"https:\/\/vxb.com\/products\/8mm-by-700mm-linear-motion-rods-set-of-2-heavy-dut","provider":"VXB Bearings","version":"1.0","type":"link"}