Amana Tool HSS1647 HSS Spiral Aluminum Cutting Double Flute Up-Cut 1/4 D x 2-1/8 CH x 1/4 Inch SHK Router Bit

HSS = High Speed Steel Single Flute Single flute design for routing materials where speed and easy chip removal are desired.Excellent for Cutting: Natural Wood Fomex with Aluminum Face Sheet & Stacked Aluminum Aluminum 5052Double Flute Double flute provides a smoother finish than single flute when grooving, slotting.Excellent for Cutting: Natural Wood Fomex with Aluminum Face Sheet, Block & Plate Aluminum Aluminum 5052