A heating, ventilation, and air conditioning (HVAC) case including a mount for mounting the HVAC case to a vehicle dash with a fastener. A fastener housing is defined by the mount for receiving the fastener therein. The fastener housing includes an aperture configured to receive a shank of the fastener. The fastener housing further includes a head housing configured to receive a head of the fastener. The head housing includes a locator portion configured to center the head in the head housing and a stress relief portion between the locator portion and the aperture.