countersunk aluminium plate what is the best way?

**thorens** · 24th August 2012, 03:01 PM

I need advice on this as I have bad burr every time i do countersunk on Aluminium.
may be i don't use the right bit?
Thanks
Peter

**pipeclay** · 24th August 2012, 03:31 PM

What type of countersunk bit have you got?

**thorens** · 24th August 2012, 03:58 PM

Originally Posted by pipeclay

What type of countersunk bit have you got?

I have a few different kind. some are 4 flute and some are 2 flute .all are HSS bit .
I will have to take some pictures of them and post here

Peter

**pipeclay** · 24th August 2012, 04:18 PM

The Cross Hole type is better suited to aluminium.

**thorens** · 24th August 2012, 04:24 PM

Originally Posted by pipeclay

The Cross Hole type is better suited to aluminium.

you means this one ?

**pipeclay** · 24th August 2012, 04:31 PM

Yes.

**malb** · 24th August 2012, 05:15 PM

Actually, it's better suited for everything I have ever tried it on, wood, mild and stainless steel, ali, perspex, phenolic sheet.

Thread: countersunk aluminium plate what is the best way?