[Boatanchors] Help on drilling out knob setscrew

[Gary Pewitt]

Lee, try a left handed drill bit.  And run your drill in reverse of 
course.  Usually works pretty good.
73  Gary



At 07:54 PM 1/22/2009, LeeCraner at aol.com wrote:
>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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Gary Pewitt  N9ZSV   garypewitt at centurytel.net  479 675 4376
1500 French Prairie Rd. Booneville, Arkansas  72927
Sturgeon's Law "Ninety percent of everything is crap."
Pewitt's Law: But it's that other 10% that makes life worth living."