Cheap cht nozzles are fully made out of brass and the insert is fake

Threaded Inserts for Plastic — Kingroon 3D

CHT Clone Nozzle Brass Printer Nozzle Printing Machine Accessories

Bondtech CHT® MK8 Coated Brass Nozzle 0,6 mm -1 pcs

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MK8 Clone CHT Brass Nozzle

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Testing a $2 High-Flow nozzle from Aliexpress — CNC Kitchen

Bondtech CHT® Coated Brass Nozzle – Fabreeko

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1040202C (BF11) Dixon Valve Brass Barbed Solid Female Insert - 1/8