Thread Size: 4/40"Overall Length: 1-7/8"Flute Length: 9/16"Flutes: 3High Speed SteelTaper Taps Have A Chamfer Between 7 To 10 ThreadsTaper Taps Distributes The Cutting Force Over A Large AreaMost Commonly Used As A Starting Tap For Blind Holes Or For Through Holes
        
      
    
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