Drago Supply or Grainger? And it's a good idea to have something to measure them to verify they are as marked. It doesn't happen often but I have found mismarked before....
Well, it's more accurate to use a reamer instead of a drill bit....timothale said:I've always been told to use several drill bits , working your way up to the final size you need
Exactly. If you want a smooth bore to your hole, use a reamer. BUT #61 to #80 isn't going to be an easy find.cranky1 said:Well, it's more accurate to use a reamer instead of a drill bit....