Testing a long neck keyseat

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Straight flutes with long necks were failing so we thought we would try helical flutes. The necks are 1.1" long and I am only holding onto about .800" of shank. RPM 7500 150IPM 1"x.25 cutter .25" radial DOC
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I'd love to see more testing videos like this

gabejohnson
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Make other one also cutting in alloy steel, on 4140 let's say, what do ya say ❗❓❗

gottmituns