Amana Tool HSS1643 HSS Spiral Aluminum Cutting Double Flute Up-Cut 3/8 D x 1-1/4 CH x 1/2 SHK 3-3/4 Inch Long 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