ITEM NAME:Double flute spiral cutter 6x22mm cnc router bits drill for wood acrylic pvc M&E Specifications Color:Sliver Material:Metal Size: 6x22mm/0.2*0.9 inch Suitable For:Acrylic, PVC, wood and other materials. Feature -Using precise machine tool grinding out the unique spiral blade angle, improve sharpness. -Design of oversized spiral and discharge chips, to prevent sticking knife, raising production efficiency. -High concentricity, non-stick crumbs, not black, increase the speed. Packing Included 1 x Double Flute Spiral Cutter.1 x Double Flute Spiral Cutter. -Using precise machine tool grinding out the unique spiral blade angle, improve sharpness. Suitable For:Acrylic, PVC, wood and other materials. -High concentricity, non-stick crumbs, not black, increase the speed.