http://elecraft.85.s1.nabble.com/Case-screws-rusting-tp2968823p2970727.html
I did find some 100 degree ones on another website after I posted that so
*4-40 x 3/16 Flat Phil Mach. Screw Black Oxide S/S 100 Degree Qty. 100
> Bill - These have a head angle of 82 degrees rather than the 100 degrees
> ones used by Elecraft. The higher angle screws are necessary when used with
> thin sheet metal. The 82 degree ones will most likely not seat properly.
> Has anyone tried them?
>
> In a recent message, Bill W4ZV <
[hidden email]> wrote ...
>
>> I haven't tried these myself but found the following on McMaster-Carr's
>> website:
>>
>>
http://www.mcmaster.com/#96640a054/=20zftu>>
>> P/N 96640A054
>>
>> 18-8 SS (Stainless Steel) Flat Head Phillips Machine Screw Black-Oxide
>> Finish, 4-40 Thread, 1/4" Length, Packs of 100
>> $3.59 Pack
>>
>> The standard Elecraft screws are 3/16" but I believe these 1/4" might work
>> (someone else please comment if not). Unfortunately the Black-Oxide
>> finish
>> is not available in 3/16" stainless. If these will work, hopefully
>> Elecraft
>> might offer them in a small quantity as spare parts.
>>
>
> 73
> --
> David G4DMP
> Leeds, England, UK
> ------
>
>
>