[Boatanchors] Help on drilling out knob setscrew

[Bob Sullivan]

Lee,

Not uncommon!

If you can sacrifice the knob, you can cut the knob in half (right  
thru the hub) with a Dremel cutting wheel (use the heavy duty wheel).  
I have done this more than once

If you must save the knob use a small easy-out (Sears, etc). This  
works most, but not all, of the time.

73, Bob
WØYVA
http://www.isquare.com/personal_pages/ras-hardware.htm

On Jan 22, 2009, at 8:59 PM, Bob Macklin wrote:

> See if you can find an EZ-Out that will fit it. You will probably  
> have to go to a screw supply. Or possibly McMaster-Carr.
>
> Bob Macklin
> K5MYJ
> Kent (Seattle), Wa,
> "Real Radios Glow in the Dark"
> ----- Original Message -----
> From: LeeCraner at aol.com
> To: boatanchors at mailman.qth.net
> Sent: Thursday, January 22, 2009 5:54 PM
> Subject: [Boatanchors] Help on drilling out knob setscrew
>
> I've got an aluminum knob on an old rcvr with a completely rounded  
> out allen head setscrew.  I've attempted to drill out the set screw  
> using high speed steel, colbalt and tungsten drill bits, all to no  
> avail.  Seems this setscrew is harded steel, harder than any drill  
> bit I can find.
>
> Any ideas on drilling this out, guys?
>
> Thanks in advance.
>
> 73
> Lee WB6SSW
>
>
>
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