[Farmall] K5

[Jim Becker]

McMaster-Carr lists 10-24 fillister head screws in lengths from 1/4 to 3 and 
12-24 in 1/2 to 2.  Limited selection on lengths for #12, but it is better 
than nothing.

They also have cheese heads, but they are metric sizes.

Jim Becker        jim.becker at verizon.net

----- Original Message ----- 
From: "Karl Olmstead" <olmstead at ridgenet.net>
To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
Sent: Wednesday, May 11, 2005 10:33 AM
Subject: Re: [Farmall] K5


>I put in a big order for fillister head screws to MSC several years ago 
>when I started working on magnetos, carbs and fuel pumps.  I got #8s, #10s 
>and #12s in coarse and fine threads.  I replace every screw as I rebuild 
>the magnetos.  Mainly because I'm too doggone lazy to sandblast and paint 
>all those old screws.  It makes a big difference in the appearance of the 
>rebuilt parts.  A fellow asked me last week where I got the NOS fuel pump 
>on my F-14.  It was just one I had rebuilt.
>
> I hadn't realized that #12 screws were no longer offered until you 
> mentioned it, Steve.  My MSC catalog skips from #10 to 1/4".  That's not 
> good; some old tractors used #12s.  In this case, it was just the right 
> diameter (0.210") to replace the rusted off stop.
>
> Just checked.  Taps for 12-24 and 12-28 are still offered in the catalog, 
> but screws aren't.  Hmm...
>
> Having a lathe and a mill opens up a lot of opportunities that I was not 
> aware of before.  So far most of what I've done on them has been 
> manufacture of tools, primarily for magneto assembly and disassembly.  F-4 
> impulse puller, tools to press in new bearing races, a big screwdriver to 
> undo a special screw on a JD-H, etc.
>
> It's hard to believe how well you can remove twisted off screws and bolts 
> once you have a mill.  Orient the piece properly, center punch the old 
> screw, drill it out, run in the tap, and the threaded hole is restored, 
> with virtually zero damage.
>
> -Karl
> ----------------
>
>> Wow, nice work, Karl!  12-24 screw, huh?  You don't find
>> those laying around every day.  We still use #12 screws on
>> certain products at work but they're an oddball 12-32 UNS
>> that was spec'd many moons ago, specifically to be
>> 'different'.  There's nothing like having a milling machine,
>> is there?
>>
>> Best regards,
>> Steve O.
>>
>
>
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