Our window sash bit is a 1-bit design, which makes it easier to use on both cuts since a bearing is in use on each cut. Create wooden windows with ease in stock up to 1-3/8" thick and as thin as 1-1/4"

Cutting Diameter 1-3/8"

Cutting Length 1-25/32"

Overall Length 3-13/16"

Shank Diameter 1/2"