Amana Tool 4 Flute Corner Rounding/Beading Router Bits Option:49543 - 4 Flute Corner Rounding/Beading 3/8 Radius x 1-3/8 Dia x 5/8 x 1/2 Inch Shank It has 3 distinct uses

It has 3 distinct uses when installing handrail bolts

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Amana Tool 4 Flute Corner Rounding/Beading Router Bits Option:49543 - 4 Flute Corner Rounding/Beading 3/8 Radius x 1-3/8 Dia x 5/8 x 1/2 Inch Shank It has 3 distinct usesThe basic edge forming bit, the corner rounding bit rounds an edge to a given radius. The tool is shouldered to cut a fillet. The cut can be used to ease edges, as a simple profile, or as a part of a complex one. Also known as roundover, rounding over and quarter round. If a smaller pilot bearing is used, a second shoulder can be produced, in effect making the bit a beading bit. 4 flute design for super smooth finish. Excellent for cutting: Acrylic