Yes, good drill bits exist, but no, you generally won't find them at your average hardware store.
Some stuff to keep in mind:
1) Drill bits, like any cutting tool, get dull. Even the best bit in the world doesn't last forever, and needs to be resharpened periodically. Either learn to freehand sharpen (it's not hard to do, but tricky to learn) or invest in a Drill Doctor, Lisle, or Darex sharpener.
2) Hardware store drill bits are cheap, and intended for Sally Homeowner to drill through drywall or maybe a particle board bookcase. The words "Cobalt", "Titanium", "Lazer" or whatever, are essentially meaningless buzzwords. Cobalt does little or nothing unless there's a significant amount- as in 6% to 8%- and most hardware store "cobalt" bits have less than 1%, often less than .1%. The titanium is that gold coating, and it's literally only a few molecules thick. It does nothing for hardness or edge keeping, it only makes the metal "slicker" and less likely to weld a chip. And you, with a hand drill, typically can't push a drill hard enough to weld a chip anyway.
3) Drills will last nearly forever if you turn them the right speed and lubricate them properly. There's no one proper speed- it depends on the material you're drilling- and there's no one miracle oil. Again, it depends on what you're drilling. Wood is drilled fast and dry, aluminum is drilled sorta-fast and with a thin, cooling lube, steel is drilled slowish with a thick pressure-resistant lube.
4) If a drill is even marginally dull, and you try to drill something tough- like mild steel- you're wasting your time. Again, learn to sharpen or buy a Drill Doctor. (Which is marginally effective, but better than nothing.)
5) Carbide drills are worthless unless you have a rigid drill press or a milling machine. If you try to hand drill, you will chip or break it. Don't waste your money.
6) There is very little on your average car that a good, plain, sharp HSS (high speed steel) drill bit, turned and lubed properly, can't drill. If you're having trouble with a plain drill bit, those fancy high-zoot "titanium" drills won't help you. Learn the technique.
7)Yes, drills vary in quality. Invest in a basic set of good quality American drills from a supplier like MSC or McMaster. You don't need the 118-piece set, just spring for the major fractions to start with- 1/8", 3/16", 1/4", 3/8", etc.
8) Drilling is an art or skill just like welding, painting a car or rebuilding a transmission. There's proper techniques, things to know, proper setup, the right equipment. Just because you own a drill doesn't mean you know how to use it, any more than owning a MIG makes you a weldor.
Doc.
choice
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