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Introducing the Onsrud Spiral Router Bit - perfect for professionals and DIYers alike! This high-quality solid carbide upcut bit is ideal for making precise cuts in a variety of materials, including ABS, acetal, acrylic, HDPE, HIPS, PE, PET, polycarbonate, polystyrene, solid surfaces, UHMW, and more. With a diameter of 0.375 inches (3/8 inch shank), length of cut of 1.625 inches, and an overall length of 3.5 inches, this bit offers exceptional performance with a helix angle of 21 degrees and pilot tip for smooth plunging. The uncoated finish ensures clean cuts without tear-out or melting while the upcut spiral design reduces chipping and produces fast, efficient cutting. Make precise, accurate cuts in your next project with the Onsrud Spiral Router Bit - order yours today!