OldTools Archive

Recent Bios FAQ

264770 Don Schwartz <dks@t...> 2018‑01‑21 Re: Holdfast holes
Warning: tailed device depicted and employed.

On 2018-01-20 10:09 AM, Phil Koontz wrote:
> HI again--
>
> Since we're talking about reboring holes now, here's a technique.
>
> Drill (bore) a hole in a piece of scrap.  Clamp it over the undersized hole
> and use it for a pilot to start the bit.
>
> PK


Consider also this boot-strap counterbore bit detailed on the 
Benchcrafted site:

http://benchcrafted.blogspot.ca/search/label/Split-Top%20Roubo

Haven't tried it, but this looks like a winner to me. Spade bits are 
just raw materials...

Don


-- 
"You can tell a man that boozes by the company he chooses"
The Famous Pig Song, Clarke Van Ness

The harder they come, the bigger they fall." Ry Cooder

Recent Bios FAQ