ZahyoX 1/4in Spiral Downcut Router Bit

https://youtu.be/p7tQ3gef9yQ

ZahyoX 1/4 Inch Shank Downcut Spiral Router Bit Extra Long, Nano Coated Solid Carbide Straight CNC End Mill for Wood, 1/4 Dia x 1-1/4 CL x 3 OVL (Amazon Affiliate)
US: https://amzn.to/4aokEB7