: 4mm end mill
10 pcs 4Flute End Mill Bits, AFUNTA " " HSS CNC Straight Shank Dril...#R#End Mill Set Metric CNC Milling Cutter Union Butterfield Tungsten 4 Fultes acc...#R#SPEED TIGER SE Carbide Square End Mill Micro Grain Carbide End Mill for Alloy Steels/Hardened Steels AlTiBN Coating 4 Flute MSE0404T #R#CNC End Mill Set, Carbide Tungsten Steel 4 Fultes Milling Cutter, Router Bits ...