Atlas Mill M1-16 oil filler screw

[brandon428]

Thanks a bunch. Definitely small. Is that last picture with the micrometer the head? Is the head diameter the same as the thread?

 

[DAT510]

Yes, the head and threads are the same diameter.

 

[akjeff]

Maybe try Brownell's. There may be a filler screw for gunsmithing that may fit?

 

[wa5cab]

OK Thanks. So it could be made from a fillister head screw but probably not a pan or binding head.

 

[brandon428]

I ended up making it last night by taking a 1" hex head screw which was already in the ballpark head size wise, rotating it on my grinder by hand (didn't bother with the lathe) down to ~0.200", shaving the hex head sight slightly, and cutting it to 5 threads. I didn't need to shrink the head down to the thread size because of the shoulder. Not sure if there are version that don't have the shoulder.

 

[brandon428]

Maybe try Brownell's. There may be a filler screw for gunsmithing that may fit?

Good call -- they have a 10-24 fillister with a head diameter of 0.256", so would just need the slightest shave and then cut down with a hacksaw:

080050024 | Brownells

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