Crown moulding 7-1/4" - 8

This Large Colonial Crown moulding 7-1/4" - 8 measures 7.250" wide by 1" thickness, with a .427" depth of cut on the right set of blades, a .516" depth of cut on the left vertical set of cutters, and a .698" depth of cut on the top horizontal knives.

The timeless profile is comprised of a 2-5/32" radius convex arc, tangent off of a 3-3/8" radius concave semicircle, creating a large cyma recta in the middle, flanked by a 27/32" tall vertical fillet at the top. The bottom portion consists of a 3/8" tall vertical line connected to a 1-1/32" radius cove with a 5/8" wide horizontal line positioned at the bottom of the pattern. The spring angles are fixed at forty-five degrees, search our bevels category by this degree to find a back bevel cutter appropriate for this classic crown moulding, these specific back bevels set the installed height at 5-3/16" tall with a projection of 5-1/16" wide.

Please read our commentary about axial constant position for crown moulding bevels, the article will help you dial this profile in axially on the first try when milling this detail on an industrial moulder, provided the machinery is axially calibrated.