This spoilboard surfacing router bit has a cutting diameter of 1 and a cutting depth of 1/2. This bit also features 3 bottom and side sharpened blades and a 1/4 shank. Highlights: - Resurface your CNC spoilboard with perfectly smooth results - Premium C3 micro-grain tungsten carbide blades for a sharper & longer lasting edge - For use on CNC, table mount and handheld routers - Silver induction brazing for maximum strength and durability - Center bore cavity for vast material removal - Manufactured with anti-kickback design to help prevent workshop mishaps These spoilboard bits feature multiple blades for clean and efficient material removal. Specifically designed with side and bottom honed blades to produce a perfectly smooth spoilboard surface. Renew your spoilboard surface quickly and efficiently with Yonico spoilboard surfacing bit.