It took several tries, but he managed to loosen the lag bolts enough to pry the latch free.
The box is attached to the joist with lag bolts, which anchor the box more firmly than nails or screws.
If this is the case, drill new holes and install additional lag bolts elsewhere along the base of the post.
Drilling the holes first will make it much easier to insert the lag bolts.
The strongest are metal expansion shields used with lag bolts.
The reactor was back on its foundation, and Garcia was securing it with new lag bolts.
Then fasten the pieces flush with the tops of the posts, using 3/8th-inch-diameter lag bolts 4 inches long.
The surgeons reconstructed the bone, using a 14-inch steel plate, seven screws and a lag bolt.