Well, I am still experimenting with my ABS.
Check this forum link out for possible ideas.
Dlang & Aluminumwelder both have good tips concerning ABS at the above link.
…I myself have cut it. I am not sure what you mean by “snagging” My problems came from the plastic melting on/around the cutting bit and “balling”, (collecting more an more plastic onto the spinning bit until it either flew off or jammed the bit. I have had the router sled ‘snag’ on material edges, but this could happen with any material depending on the edge/edge angles/material thickness.
Cheers