F = Face Mill E = End Mill S = Slotting P = Step Mill B = Slab Mill
3 Cut Diameter
0400 = inch 102 = mm
4 Metric
M = Metric Cut Diameter (mm) Omitted if Inch
5 Cutter Variable
Length for Face & End Mills Width for Slotters Pitch (number of teeth) A = most compact length of tool B = tool length longer than A C = next longer tool, etc.....
Or two identical cutters with different number of teeth
6 Shape
Insert Shape
7 Clearance
Insert Clearance
8 IC
Insert IC (inch) Metric (mm)
9 Shank Style
W = Weldon Shank B = Bridgeport UNV = Universal FB = Flat Back S = Straight Shank
