Item Type: Laser Cutting Nozzle_x000D_ Model: Single Layer 0.8_x000D_ Aperture: 0.8mm_x000D_ Material: Copper_x000D_ Usage: Laser cutting accessories_x000D_ Outer Diameter: Approx. 28mm / 1.1in_x000D_ Height: Approx. 15mm / 0.6in_x000D_ Thread Specification: Approx. 11mm / 0.4in_x000D_ Working Pressure: 1000Mpa_x000D_ Working Temperature: 1083_x000D_ Scope of Application: Metal optical fiber laser cutting machine 1SPECIFICATIONS: 0.8mm aperture laser cutting nozzle, with 28mm outer diameter, 15mm height and 11mm thread specification, easy to install and replace. 2HIGH HARDNESS: High temperature quenching and heat treatment to strengthen the overall hardness, not easy to break or wear during processing. 3COPPER MATERIAL: The cutting nozzle is made of excellent copper material, the surface is smooth without burrs, corrosion and wear resistant. 4GOOD PERFORMANCE: After fine workmanship, the copper welding nozzle has strong wear resistance and high temperature resistance, with a long service life. 5FOR LASER CUTTER: This nozzle is suitable for most metal fiber laser cutting machines, easy to replace, with low loss anti reflectanc and high efficiency.1 x Nozzle