Infinity Tools 3-Wing Slot Cutter, 5/16" I.D. x 1-7/8" O.D.

It has a 5/16" inside diameter (bore), which mounts on a 5/16" arbor post. Browse more carbide router bits.

No. These slot cutters do not come with an arbor; you'll need to add a compatible 5/16" post arbor to use the cutter.

It can cut rabbets or grooves, slot for biscuits, mill tongue-and-groove stock, and rout grooves for T-molding — making it a versatile joinery cutter.

The cutter is offered in 1-3/4" and 1-7/8" outside diameters to suit different cutting depths.

This slot cutter is available in heights of 1/4", 1/8", 15/64", and 3/16", letting you match the slot width to your project.

Yes. It features a strong anti-kickback design that limits the bite per pass for safer, more controlled cuts. For best results, use it on a router table.

The cutter uses thick micrograin carbide tips that hold a sharp edge and can be re-sharpened for repeated use over a long service life.

Yes. The anti-kickback 3-wing design produces clean, efficient cuts in both hard and softwoods.

It is made by Infinity Cutting Tools. Explore matching tooling in our router bit sets.

You can make biscuit joints, tongue-and-groove joints, rabbets, and grooves for T-molding, among others, making it useful for cabinet and panel work.