DNE Original Authentic Quality: 100% genuine DNE laser cutting nozzle with original precision machining, perfect fit with DNE fiber laser cutting machines and direct replacement for original parts.Universal Brand Compatibility: Widely compatible with mainstream laser cutting head brands including Raytools, Precitec, WSX, HSG, Bodor, HANS and Bystronic, meeting diverse equipment replacement needs.Dual Diameter Specifications: Available in D15mm and D17mm with fixed H15mm height and M12 threaded connection, adapting to different cutting head structural designs and working distance requirements.Ultra-Wide 0.8-6.0mm Aperture Range: Full size of apertures covering all industrial cutting needs, matching different laser power, material thicknesses and cutting processes for thin to thick metal plates.Premium High-End Copper Material: Excellent high-temperature resistance and thermal conductivity for fast heat dissipation, avoiding deformation/blockage; high wear resistance resists metal splash erosion for long service life.Ultra-Precision CNC Machining: One-piece forming with smooth burr-free inner flow channel and strict dimensional tolerance, ensuring concentrated laser spot and optimized auxiliary gas flow.Superior Concentricity & Sealing: High-precision concentricity prevents laser beam offset and nozzle damage; calibrated M12 thread ensures airtight connection with no gas leakage, reducing gas consumption.Wide Metal Material Compatibility: Suitable for high-precision and high-efficiency cutting of carbon steel, stainless steel, aluminum alloy, brass and other common industrial metals.Tool-Free Quick Installation: Simple manual screw-on/screw-off operation without complex professional tools, saving maintenance time and reducing production downtime for workshops.In-Stock with Worldwide Shipping: 5 brand new DNE original pieces in stock for immediate shipment, standard global shipping from Hubei China, meeting your urgent replacement needs for fiber laser cutting equipment.