Nuts are graded with strength ratings compatible with their respective bolts ; for example , an ISO property class 10 nut will be able to support the bolt proof strength load of an ISO property class 10.9 bolt without stripping .
Nuts are graded with strength ratings like their respective bolts . For example , an ISO property class 10 nut can support the bolt proof strength load of an ISO property class 10.9 bolt without stripping its thread ( the inside spiral groove ) .