How To Drill Axle Nut For Safety Wire

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[@motomecha530]

This Is just one of the steps required to prep your bike for racing. I'll be making a series of videos on all the requirements to get your bike ready for either a track day or for racing! Stay tuned!

[@savage22bolt32]

Man you would not believe the frustration I went thru while working in an aerospace machine shop. I had to drill two safety wire holes in a few thousand 6-4 Ti (AMS 4828) nuts. They were probably 5/8 or 3/4 flats. I built a hex collet with carbide bushings so I could drill, spin 180°, and drill the second one. The collet made a tight fit on the hex so the tiny drill wouldn't walk. The plan worked pretty good, but put a little too much pressure on the bit & it would disintegrate inside the the titanium. Dem wuz da good ole daze. Glad I'm retired now!

[@motomecha530]

Yikes! Yeah I was a machinist for a couple years. Really learned a lot!

[@savage22bolt32]

@@motomecha530 you are doing it right for low quantities. The only better way I know of is to use a (same size) flat bottom endmill, then center drill, then drill. But you would need a milling machine because an end mill would snap off if used in a drill press.

[@bransonbasher6534]

Good information and useful is many other applications.

[@motomecha530]

Glad you think so!

[@wojciechogloza6428]

What is the safety wire for?

[@motomecha530]

It's so the nut doesn't back itself out on its own. Like a tether.

[@wojciechogloza6428]

@@motomecha530 very cool. Is that for track riding specifically or any riding. Thanks for the response.

[@rowdybroomstick6394]

Pretty sure certain track's require it. I'm not really sure it's necessary for street riding.