Guy Molinari wrote:
> Hi all,
>
> I don't know why this is so hard. I'm trying to drill out some hole on
> some 3/8" steel plates that I'm going to have galvanized. I bought a 13/32"
> drill bit and it worked great for about 10 holes or so. The problem is that
> I have about 140 more to go. Any recommendations on a good quality drill
> bit?
>
Are you using a cutting lubricant?
Are you doing it in one shot, or starting with a small drill size and
working up?
What speed are you running the drill at? (It should be fairly slow, RPM
wise..)
Are you using a drill press or hand drill?
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|