What size is the chevy bolt lug nut ?

Typical Chevrolet Bolt lug nuts have thread that measures M12 X1.50, which is a common size among General Motors vehicles. If You still have the manufacturer's lug nuts, Your hex heads will measure 19mm or 3/4 inches. However, it's possible that Your Bolt has been fitted with aftermarket lug nuts, in which case the thread size will remain the same, but the hex head and overall length my vary. Many drivers report adding locking lug nuts to their security arsenal, and I cannot recommend this enough. Until You've lost one or more of Your wheels to theft, You'll never truly appreciate how beneficial it is to have a lock. It may be a bit less convenient to swap Your tires Yourself, but the added security is worth a minor inconvenience.