Square End Mills Overall Length 2 Connection Diameter Machine Side 3/16 Cutting Diameter 3/16 3/16 × 3/16 × 3/8 × 2 SC 4 Flute Double End End Mill - AlTiN coated 3/16 × 3/16 × 3/8 × 2 SC 4 Flute Double End End Mill - AlTiN coated DD8257950 Depth of Cut Maximum 3/8 Flute Count 4 Rapidkut