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 > |
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