Quote:
Originally Posted by Jimmy Nichols
I wasn't directly involved but was only brought in after the fact. My assumption is they did not drill it out for a number 7 but instead tap it since the website advertises the hole as being ready to tap.
All the Thunderhex being used was purchased this season.
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We broke 2 taps before realizing that the hole on the new TH was not to size. Serves us right not checking before hand. The last few axles we did drill out with the correct drill bit before tapping and it was a breeze. While this year's TH shafting has the issue with the center hole, the outer dimensions are perfect so far...the flats fit to 1/2" width and the rounded corners fit inside the TH bearings without needing to file.