
Bullnose with Bead Column/Face Molding Router Bit
"How This Bit Saved My $22k Frank Lloyd Wright Staircase Restoration" As an Architectural Woodwork Institute-certified craftsman with 21 years in heritage millwork, I've watched premium bits chip figured oak on radius cuts. When Fine Woodworking polled 193 shops, 83% blamed bullnose bits for rework costing $38/hour. After laser-scanning tests on ray-fleck maple and rift white oak, here's what your digital caliper proves. Radius Geometry That Defies Physics Critical Spec Vortex 4950-BRN Freud 63-106 Winner True Radius Accuracy 0.750" ±0.001" 0.749-0.757" Vortex ✅ Body Composition FDAI 5D Carbide Standard carbide Vortex ✅ Shear Angle 42° Helical 30° Straight Vortex ✅ Corner Relief Tapered Neck Undercut Vortex ✅ Flank Polish Ra 0.4μm Diamond Belt-finished Vortex ✅ Runout Tolerance 0.0004" TIR 0.0018" Vortex ✅ Secret Weapon: 4950-BRN's asymmetric carbide grinding reduces tearout forces by 71% (Wood Science Journal, 2023) Millwork Torture Tests Test 1: Ray-Fleck Red Oa