New England Hybrid Festival 2013
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New England Hybrid festival 2014

Finishing the connection blocks

Finishing the connection blocks
lots of drilling and tapping but now they are finished

Spent most of Saturday drilling tapping deburring, and cleaning the 110 blocks.
To determine the best screw, I drilled and tapped an 8-32, 10-32, and 10-24 threaded holes in the bar, and with scale recording the force to break the screw or strip it out, the best candidate looks like the 8-32, so that was the size holes and tap I used.