In article ,
The Medway Handyman wrote:
Silverline drill bits are actually made from recycled cheese. Trust me.

Not all. I bought a Silverline 'helicoil' set off Ebay and that included
the correct size drill. Which drilled several holes in mild steel without
problems. As I said, their quality varies.

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*The problem with the world is that everyone is a few drinks behind *

Dave Plowman London SW
To e-mail, change noise into sound.