4-48 Outer Thread Shank to M2.5 Inner Thread. Fits Dial indicator dial thickness gage depth gauge etc interchangeable tool.
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Thread Adapter 4-48 Outer Thread Shank to M2.5 Inner Adapter 4-48UNF TO M2.5
4-48 Outer Thread Shank to M2.5 Inner Thread. Fits Dial indicator dial thickness gage depth gauge etc interchangeable tool.