KWS - CNC Spoilboard Insert Carbide 3 Wing, Surfacing, Planing, Flycutting & Slab Leveler 2-1/2 Diameter x 12mm SHK Router Bit

This insert solid carbide spoilboard bit is designed for plunging, flattening, surfacing, planing, flycutting, and slab leveling on CNC routers. Ideal for cutting large surface areas, its higher tooth count supports faster feed rates and smoother finishes. The solid carbide insert knives feature four cutting edges, allowing rotation when one side dulls — maximizing tool life while ensuring premium surface quality.

Perfect for:

• Resurfacing spoilboards with CNC

• Planing large glued-up panels

• Surfacing and finishing wood slabs (timber slab machines)

• Router sled applications (ensure sled is stable and square)

• Rabbeting or slotting

• Removing fine layers with 3-flute spoilboard bits

Materials:

✔ MDF / HDF / LDF
✔ Fiberboard
✔ High Density Urethane (HDU board)
✔ Balsa core*
✔ Solid wood / softwood*
✔ Plywood / chipboard*
✔ Plastic / acrylic**
✔ Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Features:

• Unique chamfer-corner insert design for flawless surfaces

• Capable of removing ultra-thin layers (<0.001" per pass)

• Plunge depth up to 6 mm (¼"), then resurface

• Balanced 3- or 5-wing design for smooth operation

• Four-sided solid carbide insert knives

• Premium carbide grade for superior finish and durability

• Faster, more efficient material removal