Item # 57190, Amana Tool Carbide-Tipped Corner Rounding with Ultra-Glide™ Radius Bearing Guide Solid Surface 1-5/8" Dia x 3/4 x 1/2" Radius x 1/2" Shank


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A unique pilot bearing allows you to produce a true 180° bullnose with this corner rounding bit. Unlike a regular square-edge bearing, it follows the radiused surface produced on the first pass. Will neither leave a flat spot nor gouge the edge. Use the (optional) regular 1/4" x 5/8" steel bearing for the first pass.

Standard steel 1/4" x 5/8" bearing—use #47712 (order separately, see below)

Cut Depth1 in
Cut Height /Length3/4 in
Diameter (D1)5/8 in
Flutes2 w/Nylon Bearing
ManufacturerAmana Tool
NoteStandard steel 1/4 in x 5/8 in bearing--use #47712
Overall Length2 3/4 in
Radius1/2 in
Shank1/2 in