Amana Tool 51434-DLC Aluminum & Plastic Bevel Trim 45 Deg x 31/32 Dia x 1/4 Cut Length x 1/4 Inch Shank Carbide Tipped, Diamond-Like Carbon Coated Router Bit

This steel bodied carbide tipped bit is for bevel trimming in aluminum and plastic with a standard router. The solid construction reduces vibration for the smoothest cut possible with a two flute bit.

Diamond-Like Carbon (DLC) is a low-friction coating for aluminum and aluminum alloys with a longer tool edge life. 

Cuts Coroplast® (A soft plastic cardboard made with super soft, super flexible PVC).

Note: Start at 12,000 RPM and increase the speed to get a better surface finish if it is necessary.