Big Long Foam Cutting Up-Cut Router Bits Spiral Ball End for EPS EVA Poly Foam Model: Extended Reach Ballnose This long router bits is a DIY made or custom made cutters for big fast foam block deep CNC machining. Widely used used with form mould making cnc router for cutting polystyrene foam, EPS foam, EVA foam, Styrofoam, etc. Long Foam Cutting Router Bits Features: 1, High Speed Steel (HSS) hardness: HRC 61-64.5° 2, Sharp spiral blade for clear smooth finishing 3, Extended Reach for deep carving and milling 4, Foam router cutter size could be customized Diameter: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 32mm, 40mm, etc.
