Whiteside SB40-3 Spoilboard Cutter - Straight 3/4"SH, 4"LD, 3-Wing (SB40-3) is a high-quality router bit designed for precision cutting and shaping. This bit has a sturdy shank diameter of 3/4, providing stability and reducing vibration during operation. It features a large diameter of 4, making it suitable for creating bold and defined profiles. The recommended operating speed ranges from 10,000-12,000 (max 12,000), ensuring safe and efficient cutting performance. It is suitable for use on Natural woods, composite woods, hard plastics, making it a versatile choice for various woodworking projects. This router bit is commonly used for creating decorative edges, precise joinery, and intricate detailing on woodworking projects. Whether shaping cabinet doors, crafting furniture components, or cutting joinery, it delivers professional-grade results with ease.