MNKNENG 8 Set 1/4 inch End Mill Bits 4 Flute Straight Milling Cutter HSS-AL CNC Square Nose End Mill Bits Straight Shank Drill Bits for Wood, Steel, Titanium(6.35mm,4T) 1. ... YG-1 E5065 Carbide Square Nose End Mill, Extra Long Reach, Uncoated (Bright) Finish, 30 Deg Helix, 4 Flutes, 4" Overall Length, 0.1875" Cutting Diameter, 0.1875" Shank ...