I bought from here:
They have this:
but I bought:
If you have your own Chicago screws or T-nuts, then I would lean towards what I bought. I used left over screws from various holsters and ELS stuff that I had and it worked great.
I actually just did it to a brand new shooters connection belt. I ordered the belt just long enough to cut off the overlap. I started by scoring the belt on both sides, just past the overlapping Velcro, with a brand new razor. I wanted to cut the nylon so it wouldn't fray when I cut the underlying plastic with a hacksaw. However, when I went to bend the belt where I had cut the nylon to separate the webbing a little, the whole thing snapped perfectly where I scored it so I didn't have to cut anything. Then I used a cheap soldering iron to cauterize the webbing. I marked my holes with a silver sharpie then burned them through with the same soldering iron. Overall took about 10 minutes to do it and it came out really clean.
My ELS belt for three gun - I ordered the 1"x13" custom ladder strap and drilled holes to match the ELS belt so it has two anchor points, and I just bought a buckle and pre-feed without the whole assembly. It was my first go so I learned a little which I used for the SC belt.