Posted on Drilling DEEP Dog Holes in Hard Maple
#1 posted 10-24-2012 07:54 PM |
I suspect the ones that quit advancing before the spur broke through just stripped the threads out in the wood surrounding the spur. If so, you should be able to advance the bit with enough pressure. In the case where the spur broke through, just add a backer board for the spur to bit into. |