Plaintextures are happy to bring you this 80 high resolution professional looking metal PBR textures. All materials have been indexed by categories in the Blenders asset browser as you can see in the following video:

All materials are 4K tillable and ready to use for your work. There are 8 zip files each containing all maps in TIF format:

-base color(4096x4096px-8bit)

-normal(4096x4096px-16bit)

-roughness(4096x4096px-8bit)

-metallic(4096x4096px-8bit)

All materials are royalty free and can be used in any of your projects. If these prove to be popular, there will be more sets like brushed, grunge, rusted etc..

Version 2.1

--all files now have unique names

--drag and drop fixed

--just download and place in asset library

Many more can be found on plaintextures.com