Black Round Tube with Straight Slit

Finding the ideal component for mechanical systems, guides, or structural applications that require precise alignment and controlled movement can be challenging. A Straight Slit Black Round Tube offers a solution, providing a robust and reliable linear pathway. This component, sometimes referred to as a Straight Slotted Black Circular Pipe, is engineered to function as a key linear motion element. Its primary purpose is to guide pins, shafts, or other moving parts along a fixed, straight axis with minimal friction and high stability. Commonly used in automation equipment, packaging machinery, and specialized jigs, a Black Straight Slit Round Pipe is designed to endure continuous operation. For applications demanding superior strength, a Straight Slit Black Steel Round Tube provides the necessary durability and load-bearing capacity.


The <产品名字> is fabricated from high-quality materials to ensure consistent performance. The black finish, typically a protective coating or treatment, enhances corrosion resistance and provides a sleek, professional appearance suitable for both industrial and commercial equipment. The central feature is the precision-machined straight slit that runs the entire length of the tube. This slit creates a precise opening that acts as a linear raceway, allowing for smooth, guided movement. The interior and exterior surfaces are finely finished to reduce surface irregularities, which minimizes wear on interacting components and extends the service life of the entire assembly. This attention to detail in manufacturing guarantees that each unit meets exacting tolerances for straightness, roundness, and slit width, ensuring reliable integration into complex systems.

Key Specifications & Features

  • Material: High-grade steel or carbon steel, with a durable black oxide or powder-coated finish.
  • Primary Function: Provides a linear guide for moving components such as shafts, bearings, or pins.
  • Slit Profile: Straight, uniform slit machined along the longitudinal axis.
  • Surface Finish: Smooth interior and exterior to minimize friction and prevent component binding.
  • Key Advantage: Enables precise linear motion control in a compact and robust form factor.
  • Common Applications: Linear actuators, automation guides, framing systems, machinery guards, and custom fabrication projects.

Detailed Product Parameters

Parameter Standard Range / Specification Notes
Outer Diameter (OD) 10mm - 100mm Custom diameters available upon request.
Wall Thickness 1.0mm - 5.0mm Thickness impacts strength and weight; select based on load requirements.
Standard Length 1000mm, 2000mm, 3000mm Can be cut to specific lengths for custom applications.
Slit Width 2mm - 10mm Precision-controlled to match standard guide pins or roller diameters.
Material Grade AISI 1018, AISI 1045, or equivalent Chosen for optimal machinability and structural integrity.
Finish Type Black Oxide, Powder Coat, Electroplated Zinc Black oxide is common for corrosion resistance and a non-reflective surface.
Tolerance (OD & Slit) ±0.1mm standard (±0.05mm high-precision) Tight tolerances ensure consistent performance in precision assemblies.
Straightness Tolerance < 0.5mm per meter Critical for accurate linear motion without deviation.

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