I use two bits to inlay the channel. The initial just one is often a 1/4" spiral upcut little bit from Bits & Bits. I'll website link this bit together with every thing else I use during the supplies space around the front web site in your case men. https://c-channels74273.designertoblog.com/66924931/5-easy-facts-about-c-channel-manufacturers-in-india-described