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How much air pressure does an air grinder need?

Rongpeng RP17314 Air grinders cut and shape metal, remove excess material from a workpiece, smooth metal joints after welding, or remove paint and primer. These lightweight power tools run on air power and are often used for finishing jobs that require precision work.

These angle grinders are powered by compressed air. They can be used to help quickly remove excess materials from a workpiece, smooth metal joints after welding or remove paint and primer. Models are available for heavy grinding, chamfering, deburring, cutting and sanding applications, as well as cleaning tire molding, porting, and general high-speed polishing and grinding in confined areas.

How much air pressure does an air grinder need?

Air grinder and air polisher need pressures of around 90 to 100 PSI, depending on the size and model of your air tool. If you have the baseline PSI of 90 from your air compressor, then you will also need around 4 CFM to be able to run your air grinder at a good rate as well.