Window Sash Set for Mortise & Tenon (5-Piece) — Profile 021, Pro-Line (1-1/4″ Bore)

A five-piece window sash set configured for mortise-and-tenon joinery — four cutters and a spacer that allow a variable tenon length up to 2-1/2″. It machines the sash members and the mortise-and-tenon corner joint for frames built on the profile-020 window sash set, where a mortised-and-tenoned corner is specified rather than a coped one. Pro-Line only. The profile is carried by Freeborn’s profile-021 reference; see the product image. It runs counter-clockwise. Pro-Line: 1-1/4″ bore, 4″ outside diameter, three wings, carbide or T-Alloy.