precision replacement nozzle for fiber laser cutting heads that restores cut quality, stabilizes gas flow, and reduces downtime. Key benefits Restores and maintains consistent cutting performance for fiber laser systems by replacing worn or damaged nozzles. Doublelayer design improves thermal stability and reduces adhesion of molten material for cleaner cuts and fewer edge defects. Multiple caliber options let you match nozzle aperture to material thickness and cutting gas for better control over kerf and cut speed. Main features and specifications Compatibility: for Fiber Laser Cutting Head Dia.28mm Model / Size: D28 H15 M11 Design: Fiber Laser Nozzle Double Layer Available calibers (apertures): Caliber 2.0 / 3.0 / 3.5 Pack information (as listed): (Double 1.2 * 5pcs) Double 1.2 *5pcs Use: direct replacement nozzle for fiber laser cutting operations Why you need this nozzle Precision fit: designed for cutting heads with Dia.28mm and thread/seat geometry D28 H15 M11 to ensure secure, repeatable positioning that preserves focal length and cut quality. Doublelayer construction: helps manage heat transfer and reduces the tendency for molten metal to stick to the nozzle, extending service intervals and lowering scrap rates. Multiple calibers: choose the correct aperture (2.0, 3.0, or 3.5 mm) to optimize cutting performance for different materials and thicknesses. Typical applications Sheet metal fabrication: use with fiber laser machines to cut stainless steel, carbon steel, and thintomedium aluminum sheets where consistent edge quality is required. Industrial production lines: worn nozzles in manufacturing environments to maintain uptime and uniform part quality. Machine maintenance and spare parts: keep a ready supply of the specified nozzle model (D28 H15 M11) and the listed pack configuration for quick swapouts and reduced machine idle time. Installation and maintenance notes Fit directly to fiber laser cutting heads specified as Dia.28mm with matching D28 H15 M11 geometry. nozzles when edge quality deteriorates, gas consumption increases, or there is visible nozzle damage. Follow your laser system manufacturer's guidance for torque, cleaning, and alignment after installation. This nozzle is intended specifically for fiber laser heads matching the listed dimensions and model identifiers (Dia.28mm, D28 H15 M11). Confirm compatibility with your machine before ordering.