It depends on how large the rack is To use a TBolt you drill a gap depending on the size of the TBolt Once you drill the gap you push the TBolt in which ear will pop out

What is the correctly punctuated version of this sentence?
It depends on how large the rack is. To use a T-Bolt, you drill a gap depending on the size of the T-Bolt. Once you drill the gap, you push the T-Bolt in, which ear will pop out.