Thank you for your interest in purchasing this item. There are different maximum rpm for every drill bit. You may find this link https://www.thesprucecrafts.com/choosing-proper-router-bit-speeds-3536806 helpful in your inquiry. Hope this helps!
Hello TJ. I can't figure out ryobi trim router however here is the sizes of the include sets- Core Box R1/8, R1/4", 90* V Grooving 1/2", Round Nose R1/4", Mortising 1/2", Dovetail 1/2, 1/4", Straight 1/8, 1/4, 3/98, 1/2, 3/4", Panel Pilot 1/4", Flush Trim 3/8x1/2", 3/8x1". 1/2x1/2", 1/2x1, 3/4x1", 45* Chamfer 1/2", Cove R1/4, 3/8". Hope it helps
All routers as long as they are equipped with a 1/4" collet.
MM is a common method of measurement.
Not knowing the details of "the other item in the store", I am not sure how to best reply as not all Home Depot stores have the same stock -mine does not stock any bit kit like this at all. I recommend talking to a knowledgeable associate at you favorite Home Depot for clarity on this concern.
Hello Erwin, The Stalwart Carbide Tipped Router Bit Set (35-Piece) is currently in stock and available for purchase on Homedepot.com. However, it is not an item that is available in our stores. Thank you for your inquiry, and for shopping with us at Home Depot!
all shank sizes in this set are 1/4".
Looked all over my set and couldn't find a manufacturing origin. Looked online a bit and only found "imported" so I assume China, but definitely not made in the US.