Free AGMA Standards AGMA 07FTM15-2007 pdf download AGMA 07FTM15-2007 pdf download.Experience with a Disc Rig Micropitting Test. Typically, the test roller was examined after 1 hour, 4 hours, 10 hours, 20 hours and 30 hours. Only occasionally were tests continued for longer than 30... 07-26-2021 Get More