Drill bit

[JimS]

.

 

[Muir hill 101]

I seen one like that for a wrench and it should a 150 mm sluggging wrench . So I looked up the slugging wrench they were aluminum and about 7000.00$ if I remember right

 

[Check Break]

(quoted from post at 13:55:43 04/15/23) .

That's why they make 67.5mm bushings.

 

[Mike(NEOhio)]

When I was an apprentice in a GM plant the tool crib stocked drills up to 4 inches.

 

[Lumbersawyer]

We had drills to 3" where I worked. I love to sharpen them. They make some beautiful chips when sharp.