b'May 2020 | Vol. 72|Issue 5 ctemag.comRIVETINGWORKWhen it takes a lot to hold things togetherAlso in this issueHardness versus toughness of carbide insertsSpindle speeders enhance micromachiningSolving the shortage of workersMayCover.indd 1 4/13/20 3:30 PM'