[CAUT] Irwin bit

[David Ilvedson]

That's the plan...thanks Ed

David Ilvedson, RPT
Pacifica, CA  94044


----- Original message ----------------------------------------
From: A440A at aol.com
To: caut at ptg.org
Received: 10/16/2006 12:53:18 PM
Subject: Re: [CAUT] Irwin bit




>> I usually use a forstner bit for retro-fitting pitmans in Steinways and 
>other grands.  

>>  Problem is starting the forstner bit into the keybed.   I came across an 
>Irwin 1&1/8" 

>> forstner type bit except with a threaded starter tip, about 3/4" long.   As 
>I think about 

>> it now I suppose the starter tip wouldn't be of much help since it is going 
>into the 

>> pitman hole...anyone used this bit for this repair? >>

>Greetings, 
>     When I drill out the pitman hole, I use a small bit of 1/4" maple, about 
>four inches long and 1 1/2" wide.  This piece of maple has two small holes in 
>it about 2 inches apart, and a 1" hole that I bored on the drill press.  All 
>you have to do is center the big hole over the pitman hole and run two 1/2" 
>drywall screws in the small holes, right into the bottom of the piano.  This is 
>a guide for the Forstner.  
>      Drilling through the big hole, a 1" Forstner bit will begin centered 
>and drill cleanly through the keybed.  I alway put a piece of scrap wedged 
>against the hole from the top to preven tear-out when that Forstner comes through. 
> 

>regards,

>Ed Foote RPT 
>http://www.uk-piano.org/edfoote/index.html
>www.uk-piano.org/edfoote/well_tempered_piano.html
>