These 3+3 compression spiral router bits feature three upcut flutes to pull chips upward from the bottom and three downcut flutes that press fibers down from the top. The six cutting edges are arranged in a high-speed geometry that produces clean top and bottom edges simultaneously. A 3+3 bit is the right choice for large-scale cabinet or panel cutting operations, applications requiring excellent edge quality on both faces, cutting laminated or veneered materials, or for machines capable of high-speed production runs.