Pro Grade CNC Spoilboard Surfacing Router Bit With Four Wings Half Inch Shank One And A Half Inch Cutting Diameter Slab Flattening Bit For CNC Routers Anti Kickback And Heat Resistant Coating
✔️ Four-wing slab flattening bit, 1.5 dia, 1/2 shank, 18k RPM, single
This pro-grade CNC spoilboard surfacing bit is engineered for slab flattening and spoilboard leveling on CNC routers, table-mounted routers, and handheld trimmers. The four-wing carbide design delivers smooth, clean cuts, while the anti-kickback geometry and heat-resistant coating minimize resin buildup and extend tool life. Pack size: 1 piece.
| Dimension | Inches | Millimeters |
|---|---|---|
| Shank | 1/2" | 12.7 mm |
| Cutting diameter | 1.5" | 38.1 mm |
✅ 4 wings with 1/2" shank and 1.5" dia
✅ 2+2 carbide inserts (four total) with rotate/flip when dull
✅ Anti-kickback design and heat-resistant coating reduce resin buildup
✅ Smooth cuts on hardwoods, softwoods, plywood, MDF, acrylic, laminate; up to 18,000 RPM
✅ Compatible with industrial CNC machines, handheld routers, trimming & table-mounted units
💡 What is a spoilboard surfacing bit used for in CNC routing and woodshop setups?
This handy tool levels and flattens the work surface to ensure accurate registration and repeatable passes.
- Creates a flat, reference surface for accurate milling
- Supports slab flattening, spoilboard leveling, and edge trimming
- Features replaceable carbide inserts to extend life and lower costs