Dormer 7648654 S116 Double End Medium Cut Regular Length Slot Drill Cutter, 5/16 in Dia Cutter, 3/4 in Length of Cut, 2 Flutes, 3/8 in Dia Shank, 3-1/2 in OAL, Bright

Dormer Slot Drill Cutter, Double End Medium Cut Regular Length, Series: S116, 5/16 in Cutter Dia, 3-1/2 in Overall Length, 3/4 in Length of Cut, 2 Flutes, Spiral Flute, 3/8 in Shank Dia, 30 deg Helix Angle, Straight Shank, Carbide, Bright