Vintage USA HSS Numbered Letter Drill Bit Index Set Metal Case Machinist Tools

Vintage USA-made HSS fractional twist drill bit index set in original metal storage case. Includes assorted fractional-size drill bits commonly used for machinist, fabrication, and industrial shop work. Older American-made bits known for durability and cutting quality. Set appears mostly complete with the 11/64 size missing; see photos for exact contents and condition. Shows normal wear from age and use. Great shop set for machinists, mechanics, fabrication, or tool collectors.

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