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

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

• 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.