Added brass tips to Lathe spider Bolts.

Chris I need  to make one  for the barrel work also  , somehow I never get around to  making  it getting busy with everything else.  looks  great,  really nice .

the milled  flats for the  nut  was a nice  touch I dont have a mill so mine will be without the nice flats

what size  bolts  are  they 

I don't remember the bolt size.  Maybe 7/16? or metric....Its just what ever I had laying around with four nuts...lol   I think Allen set screws would have word out good too.   I don't think the lock nut is really necessary. 

After seeing  your post  I bought a  Tap & drill bit for 5/16  and some 5/16 bolts 

Dead blow hammer I'll see if  I can borrow one from a machine shop I  had dealt with  before , super nice guy. years ago let me use his lathe when I didn't even know  him 

Made mine years ago using brass bolts. The brass helps keep vibration (known as harmonics) down. really nice tips there Chris