TREND Butterfly spline cutter 104 deg | 10/40X1/2TC

Trend 10/40X1/2TC Butterfly Spline Cutter, 104° (14°) – 28mm x 46mm, 1/2" Shank

Trend 10/40X1/2TC butterfly spline cutter for routing butterfly keys and splines in timber and man-made boards, ideal for decorative joinery and strengthening repairs. Designed for use in a router table, it helps you produce a consistent butterfly profile when used in a two-pass process.

Use model 10/40X1/2TC in conjunction with a 104° (14°) dovetail cutter (ref. L120) to cut the matching dovetail pocket; the finished spline width is determined by the dovetail cutter used.

Key Features

• Butterfly spline profiling: Intended for routing butterfly keys and splines for joinery and repair work in timber and sheet materials.
• Router table use: Designed to be used in a router table setup for controlled, repeatable cuts.
• Two-pass cutting method: Cut the material in two passes to create the butterfly shape.
• Matched pocket cutting: Works alongside a 104° (14°) dovetail cutter (ref. L120) that cuts the dovetail pocket.
• Size set by dovetail cutter: The width of the butterfly spline is determined by the dovetail cutter used.

Specifications at a glance

Suitable applications

• Routing butterfly keys and splines in timber and man-made boards.
• Decorative joinery details and reinforcement/repair work where a butterfly spline is required.
• Workshop routing operations using a router table for improved control.