Looks like the cutter was not machined properly as it is slightly larger than the ball bearing resulting in a small kerf that needs sanding.
Premium Tongue & Groove Milling π§ Cutting Tools by KOWOOD: Precision and Performance Unleashed
10 Review
Optimized Spoilboard Surfacing Method: NITOMAK
5 Review
πͺ Freud 42 104 Bearing Flush Shank: High-Performance Tool for Precise Cutting
9 Review
KOWOOD Tongue Groove Pieces Milling
9 Review