[346CADmen]

Chris,

I find that most drills get beat up due to in proper use. Speeds and feeds are important when using a cutting tool. It doesn't matter if your buying HSS (high speed steel) or some type of high end coated drill. If you run them too fast, too slow, out of round or without evacuating chips, they will fail. Sadly this is what happens during a season. Especially when hand drilling.
That said, an Industrial supplier will sell packs (like 10 per) of specific size drills. For most robot work standard HSS is fine, look for jobber length (also a standard).
Another option, especially for sizes over 1/8" is a sharpener. DrillDoctor is an easy to use effective device that will sharpen a wide variety of sizes and make them ready for more abuse.

Good Luck.