A computing device including fastening features. The computing device may include an upper shell comprising an upper boss protruding from the upper shell, the upper boss defining a cavity. The computing device may include a lower shell comprising a lower boss protruding from the lower shell. The computing device may include a threaded insert including an insert portion received at the cavity of the upper boss. The threaded insert may include a flange portion wider than the insert portion, and a lateral movement reduction feature. The computing device may include a fastener received through the lower boss and through the threaded insert to fasten the upper shell and lower shell to each other.