Hi Alec
" Is oak hard to get through? " Yes, some times,,, how deep are you going with the 1/4" bit ?
You maybe asking a bit to much from the bit...
A slot is always hard to do because it's hard for the bit to move the chips out of the way and out of the slot and in turn they go around and around many times this will buld up heat and burn the stock..
It 's always best to make small cuts ...in Oak it takes a bit longer but it quicker than trying to sand out the burn marks out..
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