“ too big”. #12 is .216”
Sent from my iPhone

> On Jun 10, 2025, at 8:12 PM, Chuck <[email protected]> wrote:
> 
> IMO it is oddball. So close to 1/4-20 that is what I use if 10-32 or 10-24 
> are too small.
> Sent from my iPhone
> 
>>> On Jun 9, 2025, at 10:35 PM, Ken Hohhof <[email protected]> wrote:
>>> 
>> 
>> I went to Ace Hardware today looking for a box of 12-24 x 3/8 or 1/2  pan 
>> head Philips machine screws, I had a box of 100 that I had used up.  The box 
>> said Hillman and I’m almost positive I bought it at Ace.
>>  
>> They had sizes from 4-40 to 10-32 and even 10-24, then it jumped to 1/4-20.  
>> Figuring my eyes or my brain were failing me, I asked someone for help, and 
>> he told me 12-24 is an oddball size.  He did find some in the specialty 
>> screw drawers but at $0.45 each.
>>  
>> When did 12-24 become an oddball size?
>>  
>> I mostly use M6 now for rack screws, but I use 12-24 for things like 
>> attaching DIN rail to backplates.  My trusty Greenlee tap set isn’t metric 
>> so I can’t use M6.
>>  
>> I’m sure I could order some from McMaster, I was just surprised the hardware 
>> store didn’t have them in the bins.
>> --
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