Freud Butterfly Spline Router Bits 5/8" Round 3-1/2" Model - Overall: 3-1/2"

3-1/2" Model - Overall: 3-1/2" x 3-1/2" x 1-1/2" H / Square Base: 2-5/8" x 2-5/8" x 1/4" H

The base plate is 3 1/2" (89mm) square and is perfect for the common post size

148” framing nails into the hardest substrates without the expense and hassle of fuel cells

Customize your decorative crown moldings to add elegance to any room with Freud Crown Molding Bits

table-mounted or CNC routers

Freud Butterfly Spline Router Bits 5/8" Round 3-1/2" Model - Overall: 3-1/2"The Butterfly Spline is a beautiful solution for exposed joints. Two passes with this bit produce the concave butterfly spline from your choice of hardwood or softwood. Then use a 14 degree dovetail bit to (sold separately) to produce the mating grooves. For best results use in table mounted or CNC routers.