Choosing an Air Compressor

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    First is a Mechanics half inch impact wrench.
    Coleman Powermate 024-0077CT 1/2″ Air Impact Wrench

    4 torque settings up to 230 ft/lbs. (230 ft/lbs., 215 ft/lbs., 195 ft/lbs., 150 ft/lbs.)
    230 ft/lbs. maximum torque
    1/4″ NPT air inlet with screened filter keeps out unwanted particles
    Air requirements: 4.5 CFM @ 90 PSI

    So, for this tool we see we need a compressor that can run at a minimum of 4.5 CFM @ 90 PSI.

    Next lets look at a Paint Gun

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