Originally Posted by RapidRobert
May I ask, how did you measure the hole?

Vernier caliper...I got between .300-.310 only because the dowel pin hole in the head is the .310" while the block is .300".

Since I figure it's hard to expect the block to expand by 0.010" to make the larger diameter dowel pin fit, I better look at something around that .300" size, but the only thing I find in the right length is the .275" stuff.