I know there is no such thing as a dumb question :smash: but I am wondering if there is any diferrance between a 1/8th thruwire hole and a 3/16th other than 1/16 less of wood.

i use both,but like the 3/16 more than the 1/8th. in some wood if it is grainy i dont like using the 1/8 because i think it gets caught in between the grain and grabs the grain and veers off center. the 3/16 is less likely to do that. also 1/16th inch wire doubled up is a little hard to get in the 1/8 whole especially with the use of a grommet that makes the whole a tiny bit smaller.
thats what i think.:)

drill an 1/8 and don't use a gromet-no problems in three years. The key to getting a straight hole is go reeaall slooooow and clear the bit as often as possible-this will cut down on the bit wandering. I still screw up one outta three though