On Thu, 30 May 2019 18:13:22 +0100
John Rumm wrote:

On 30/05/2019 13:44, Cameron Nugent wrote:
replying to Dave Liquorice, Cameron Nugent wrote:
Hey mate, what is the size of the female connection at the top of
these bits?

What are you talking about?

What bits?


Pilot drill in a core drill arbor?