Compression Spiral Router Bit 1/2 Inch Shank, Extra Long 5 Inch Overall Length, EANOSIC Compression Spiral Router Bit 1/2 Inch Shank, Extra Long 5 Inch Overall length, 3 Inch Cutting Length, UP Down CNC Router Bits for Woodworking Milling Slot Mortise SIZE: 1/2 inch shank, 1/2 inch cutting diameter,3 inch cutting length, 5 inch overall length SOLID CARBIDE AND NANO BLUE COATED: The up and down cut spiral router bit is made of solid carbide. And Nano Blue Coating with high hardness and heat resistance enables the tool's cutting edge to retain crucial sharpness and lubricity. This provides longevity and produces cutting results of the highest quality. Clean surface, neat, no glitches. SPECIAL DESIGN: The UP Down spiral router bit clean edge on both top and bottom face, design to cut material at full depth in one pass,better than straight bits. HIGH QUALITY: Industrial quality, perfect for CNC router tables, hand-held, table-mounted portable routers. VARITY USE: Excellent choice for dado, rabbet, mortise, pocket, profile cutting and clearing material.