Originally Posted by Gallanach
Use as low a drill speed as possible -



+1

You really don’t want to generate any heat or the stainless steel work hardens and wrecks the bit. I learned this the hard way.

Set your drill on its very slowest setting and be patient.

Paul
Costock, UK
Plus Four 75th - Furka Rouge - Pip
Disco 5
Teddy - 17h1 Irish Draught cross