Whiteside Spiral Upcut Bit, 5/16 in. SH x 5/16 in. CD x 1 in. CL features an up-cutting action designed to efficiently pull chips up and out of mortises, slots, and holes. This bit is for deep cutting applications where excellent chip is essential. Its spiral shape delivers a shearing action that ensures extra smooth cuts, no matter the grain direction. Crafted from solid carbide and double fluted, this router bit combines durability with precision for superior woodworking results. Manufactured by Whiteside Machine Company in Claremont, North Carolina, it reliable performance for your routing needs. Model Number: RU3100