Yes like Alistair says - start small then step it up.   I haven't found any
Home Depot bits I like.  You likely need something better quality.

Jason

On Sun, May 20, 2018 at 1:55 AM, OlRivrRat <OlRivrRat@comcast.net> wrote:

>         My local PepBoys carries Kawasaki DrillBits & I have have found
> that they will
>
> Cut like they are in Butter when nothing else will ~
>
>
> On 19 May , 2018, at 10:18 PM, Alistair Bell wrote:
>
> > What bolt is this?
> >
> > There are drill bits and there are drill bits.
> >
> > Cobalt by itself means little unless backed up by some numbers and a
> good brand.
> >
> > If you can make a punch mark with a centre punch on the bolt, then you
> can drill it.
> >
> > Start with small drill bit, use cutting oil, plenty. Does it bite?
> >
> > Sometimes you can work harden what you are trying to drill. Usually
> that’s because of dull bit, too fast, no cutting fluid.
> >
> > It happens in stainless sometimes. Swap out bit, try again slower.
> >
> > Alistair
> >
> >
> >> On May 19, 2018, at 9:10 PM, thewestyman <zolo@FOXINTERNET.NET> wrote:
> >>
> >> Yup, trying but I can’t even start it, so hard.
> >> I have no idea what makes it hard like glass, but the cobalt drill
> won’t even start any shaving.
> >> This cobalt drill is from Home Depot.  Maybe there is one harder than
> this.
> >> Anyone has an idea what to do?
> >> I have already installed the head, would not like to take it off.
> >>
> >> Best regards to the Great List,
> >> Zoltan
>