® TuffCut® XR 4 Flute Ball Nose End Mill Variable Helix .
WEBSpeed and Feed Data. Burs; Chamfer Mills; Countersinks; GP Drills; GP End Mills; HP Drills; HP End Mills; PCD End Mills; Reamers; Routers; FAQ; Coatings; ... ® TuffCut® XR 4 Flute Ball Nose End Mill Variable Helix 1/4x1/2x4 ALtima® Product Id: A EDP: 18063. Sizes. Diameter (D/D1) 1/4 ...