I drilled a 1/2 hole in masonry brick to install a 5/16 lag lead shield and bolt. I did not drill the hole deep enough and during tightening of the bold the head twisted off of it. How can I remove the lag to insert a new bolt and drill the hole deeper after the lag has already expanded with the shaft of the bold still in place (with no head)?
Answer:
The lag is either lead of soft metal so you can use a fine cold chisel to cut it away and little by little, get it out of there. Normally, I try to drill another hole close enough so whatever I'm mounting covers both.