If it really is an ally bolt, then the drilling's going to be a piece of cake. Like a knife through soft butter if you have a good drill bit and a steady hand. Although go gently, you don't want to go through the bottom of the head and ruin the stem.
If it really is an ally bolt, then the drilling's going to be a piece of cake. Like a knife through soft butter if you have a good drill bit and a steady hand. Although go gently, you don't want to go through the bottom of the head and ruin the stem.
However, you might try the epoxy trick first.