Freud Butterfly Spline Router Bits 5/8" Round An optimized Japanese tooth design

An optimized Japanese tooth design and Black I

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

Advanced Laser Cut Stabilizer Vents traps noise and vibration for maximum stability

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

Freud Butterfly Spline Router Bits 5/8" Round An optimized Japanese tooth designThe 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.