Fiber Laser Nozzle Single Layers Chrome-plating M11 for Fiber Laser Head | eBay
Amazon.com: TEN-HIGH Bullet Shape Laser Nozzle Kit for Fiber Laser Cutting Head, Maximum Dia.35.5mm, Combined Height 43mm, Caliber 0.8mm, Including Double Layer Laser Cutting Nozzle and Base and Mounting Cover.
the secret to clean laser cutting: Designing a better laser nozzle using 3D-printing – Nervous System blog
Nozzle Technologies Speed Fusion Laser Cutting, Reduce Gas Consumption | Modern Machine Shop