Whiteside RU4100S Slow Up Cut Spiral 3/8"SH, 3/8"CD, 1"CL

Whiteside RU4100S Slow Up Cut Spiral 3/8"SH, 3/8"CD, 1"CL works wonderfully with Natural woods, composites, hard plastics, achieving great results at 16,000-18,000 (max 24,000). Highlights: These bits are very versatile for use in cutting through hard woods, plastics, and even materials such as solid surface counter tops. The slow spiral design is meant for better chip ejection in hard materials. The up cut design is for a better surface finish and provides the best control with hand or table routing.