That braid is fine, use the widest that is practical and easy to work with. No need to drill extra holes if existing holes line up. You don't need to swiss cheese your frame, just make sure the existing holes are clean and maybe use a bit of dielectric grease or silicone to keep them from rusting too much.
'91 Pickup - Imelda
'08 Tacoma TRD
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"To live is to suffer, to survive is to find some meaning in the suffering." -- Friedrich Nietzsche