Carbide Back Draft Cutter, Reverse Taper End Mill Size 3/16 1/4 3/8 1/
3/32" Carbide 4 Flute 9/32" Flute Length 1-1/2" Overall Length TIN Single End Straight Flute End Mill, Drill America | CBDCEM4S332TIN | DrillsandCutters.com
E9990040 5/8 x 5/8 x 1-5/8 x 3-3/4 4 FLUTE REGULAR LENGTH CENTER CUT F - Hill Industrial Tools
GARR 46037 830MA Center Cutting Square End Standard Length End Mill, 2 mm Dia Cutter, 8 mm Length of Cut, 4 Flutes, 3 mm Dia Shank, 38 mm OAL, TiALN Coated | Turner Supply
End Mill Size Standards Chart & Introduction-SPEED TIGER
Why Flute Count Matters - In The Loupe - Machinist Blog