Monday, October 15, 2018

Drilling Tetrix...


So if you have Tetrix and GoBILDA you've notice that the bolts are different sizes and its probably a pain keeping all the different wrenches and bolts. Well today I experimented drilling some Tetrix to attach a GB tapped servo mount, it went really well. It is essential to be able to drill these holes out to use some of GB parts (servo mounts, screw plates), anything that has threaded holes that you want to attach to Tetrix. This turned out really well, the GB holes are really close to 4mm, the English drill sizes that will make holes suitable for butting the GB bolts through are #22, #23 and 5/32. I used a 5/32 and it worked flawlessly and was a good fit (not too loose).

You can see in my picture that the top 8 pattern tetrix has been modified, 4 of the holes have been drilled out to accommodate GB bolts. The hole sizes are extremely close already (1/5th mm in diameter)  so I don't think there is a problem of actually drilling out ALL of Tetrix channel and pieces etc. to allow for easy mounting all the time, not just when using a tapped feature. As I said before, this would make it so you are using almost all the same bolt and wrench sizes with the exception of maybe motor mounts (you can drill them out too but you would need long m4 bolts). Also for those worried of ruining their tetrix, 6/32 bolts still fit through the enlarged holes and can be used to build a solely tetrix bot.


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