Ensure Accurate CNC Cutting - use this 1/4" shank CNC Spoilboard Surfacing Router Bit to clear the surface of your Spoilboard and create a perpendicular base surface for the router motor. Edge Treatment & Grooving - This CNC bit can also be used to flatten live edge boards and cut grooves or slots. Efficient 3 Wings carbide tipped CNC router bit, 1inch Cut Diameter, 1/4inch Cut Length providing a fast, clean cut on your project material; including a 1/4" to 1/2" Router Collet. Compatibility wok with CNC, hand-held or table-mounted portable routers, woodworking engraving and trimming machine; Suitable for solid woods, laminate, plywood compact panel, acrylic etc. Do NOT cut metal or other non-wood materials. High Quality this CNC surfacing router bit is a combination of sharp carbide tipped bit and solid hardened steel bodies with anti-kickback design and heat resistant Teflon coating ensuring durability.