Infinity Tools 1/4" Shank Roundnose Router Bits

These bits have a 1/4" shank, so they fit any router that accepts a 1/4" collet — which includes nearly all compact and full-size routers. Browse more carbide router bits.

A roundnose bit (also called a corebox bit) cuts a smooth, half-round groove. It's used for decorative coves, veins, and fluting, and for rounding the interior edges of bowls and trays.

These roundnose bits come in 1/8", 1/4", 1/2", and 3/4" cutter diameters, with cutter heights of 1/4", 5/16", 3/8", and 9/16".

They feature micrograin carbide tips on C.N.C.-machined solid steel bodies for premium quality and long edge life.

They excel at sign making, decorative fluting, and veining, and can round out the interior edges of bowls and trays for a clean, finished look.

Yes. The half-round profile is well suited to rounding out the interior edges of bowls and trays, giving carved hollows a smooth radius.

Yes. For more decorative options, top-bearing roundnose bits are available to create unique doors or drawer fronts. Explore the full lineup of carbide router bits.

You can use it handheld or in a table, but a router table gives you better control and accuracy for fine decorative work.

Individual diameters are available here, and you can save by browsing our router bit sets for a broader selection.

Keep the carbide edges clean and sharp, and feed at a steady rate to avoid burning. The micrograin carbide tips hold their edge well for crisp coves and veins.