So, from die grinders to belt sanders, here are six affordable air grinders that you can find at Harbor Freight. Read more: Battery Brands Ranked From Worst To Best Central Pneumatic ¼ In.

These pneumatic drills, hammers, ... This heavy-duty angle grinder features a 1/3-hp motor and special ball bearing construction good for 20,000 rpm. ... Astro Air Belt Sander. $82 at Amazon.