SBR12-400mm Linear Slide Rail Shaft, 12mm Linear Rail Shaft with 4Pcs SBR12UU Bearing Block, High Precision Carbon Steel Guide Rail for CNC Routers, Mills, Lathes, Industrial - G

Descriptions: The linear slide rail shaft is made of high quality carbon steel, and the bearing block is made of aluminum alloy, sturdy and durable. Perfect for your DIY CNC routers, no more unwanted errors in your machining work mills, lathes. Features: The linear slide rail shaft is made of high quality carbon steel, and the bearing block is made of aluminum alloy, sturdy and durable. Industrial-grade standard SBR block, with high precision linear bearing inside. Surface silver plating treatment, beautiful anti-rust, hardness can as high as HRC62, more durable. The adjusting handle can adjust the tightness of the slider. Standardized processing, ideal for guide rail positioning. Perfect for your DIY CNC routers, mills, lathes.Aluminum alloy support rail with pre-drilled holes for ease of mounting. Specifications: Material: high carbon steel, Aluminum alloy Model: SBR12Rail shaft length: 400mm / 15.75inchRail shaft diameter: 12mm / 0.47inchBlock inner diameter: 12mm / 0.47inBlock outer diameter: 40mm / 1.57inWeight:1900g Package Included: 2 x Linear Slide Rail Shaft 4 x Bearing Slide Block

• HIGH PRECISION DESIGN: The SBR12-400mm linear slide rail shaft is crafted from high-quality carbon steel, ensuring exceptional durability and precision. Perfect for CNC routers, mills, and lathes, it minimizes machining errors and enhances performance.
• INDUSTRIAL-GRADE QUALITY: Featuring industrial-grade SBR12UU bearing blocks made of aluminum alloy, this set offers superior strength and longevity. The high-precision linear bearings inside ensure smooth and accurate movement.
• SURFACE PROTECTION: The rail shaft undergoes a silver plating treatment, providing anti-rust properties and a sleek appearance. With a hardness of up to HRC62, it withstands heavy use in demanding environments.
• ADJUSTABLE TIGHTNESS: Equipped with an adjusting handle, the bearing block allows you to fine-tune the slider's tightness for optimal performance. This feature ensures precise control and reduces wear over time.
• EASY INSTALLATION: The aluminum alloy support rail comes with pre-drilled holes for effortless mounting. Ideal for DIY projects and industrial applications, this set includes 2 rail shafts and 4 bearing blocks for versatile use.