✅ SOLVED Was this for holding drill bits?

[NJ Marty]

Got this at an estate sale and wasn't sure with the A through Z markings. Maybe for tap and die set.

 

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[Tnmountains]

I think so as they were a drill bit manufacturer. Drill bit index or maybe even for taps. I had not idea that the bits were worth so much I have a drawer full.

 

[old digger]

I believe it held metal alphabet punches.

 

[Pa_Dirtfisher]

Pretty sure it's for drill bits they are sold in fractional as well as alphabetic sizes

 

[QUICKSILVER (appletree)]

i am thinking drill bits as well because the holes get bigger as the letters go up

 

[Ant]

It is called a drill index, specifically a "letter drill index", the drill bits that fit in it are call letter drill bits.

 

[packerbacker]

Definitely a letter drill index. I used to stock them in my warehouse.