LIL' HOGGERS

[PixMan]

Sounds like you want a 1" (or 25mm?) indexable insert end mill. In the Walter line, that would be an F4042 style. With Walter and most others, there will be 3 to 4 insert sizes, all being ADMT. APMT, XOMT (Seco) or similar. With almost all, the first two numerical characters of the insert nomenclature will give an indication of size (and inherent depth per pass capability. The smaller the insert, the more of them can fit around the periphery and the smoother it cuts. The larger the insert, the longer the cutting edge and deeper it can go in one pass.

Some basic guidelines for a typical 1" cutter:
16-18mm insert, 2 pockets
11-12mm insert, 2 or 3 pockets
9-10mm insert, 3- or 4 pockets
7-8mm insert, 4 or 5 pockets

I like the happy medium of a 3 insert cutter. When you look at the various offerings in your area, try to find photos of the cutter with inserts installed so you can see the axial shear angle and radial top rake angle.

This is my 3/4" F4042R with it's three 10mm inserts. In one photo you can see the significant axial shear angle, which help reduce cutting force.

In this view you can see the top rake angle, which also aids in reducing force and the hammering effect you'd get with the type seen in the "Lil' Hoggers."


Other makers may have little to no axial shear angle, though usually plenty of top rake angle. I hope this helps.