YG-1 TEF90 Helical Flute Thread Mill, 1/2 in Thread, UNF Thread, 3-1/2 in Overall Length, 4 Flutes, 3/8 in Shank Dia

YG-1 TEF90 Helical Flute Thread Mill, 1/2 in Thread, UNF Thread, 3-1/2 in Overall Length, 4 Flutes, 3/8 in Shank Dia

Part #4040848
MFG #TEF90
UNSPC #23291800