Safety Belt With Anchor Plate Thread Damage

Remove the broken or stripped bolt and discard.
Drill out the internal threads in the safety belt anchor plate with a 10.7-mm (27/64-in.) drill.
Rethread the anchor plate with a 1/2-13 tap (seat belt).
Clean out the chips.
Install new attachment parts.
When repairing a multiple belt and attachment, install the nut to the bolt in the tunnel area from the underside of the floorpan.