Reddit reviews Whiteside Router Bits SC28C Flush Trim Bit with Solid Carbide 1/4-Inch Cutting Length
We found 2 Reddit comments about Whiteside Router Bits SC28C Flush Trim Bit with Solid Carbide 1/4-Inch Cutting Length. Here are the top ones, ranked by their Reddit score.
Whiteside Router Bits are made with Premium CarbidePrecision ground for proper balance at high RPMIndustrial Quality
I like your method for trimming the veneer from the speaker holes, maybe kind of overkill though.
In the past, I've used this bit:
https://www.amazon.com/gp/product/B000K2G69M
It only needs 1/8" clearance. https://i.imgur.com/BqDFW4i.jpg
As long as you let the router do the work and don't force it against the wood, it works like a charm.
knife and then sanding could work, or something like this if your recess is 1/8" deep or more.
Which design is that looks like RS drivers?