03-17-2013, 03:58 PM
hi well if you have a mill mack a new set if you go to Harold hall,s web page their is a right up on haw to do it and drawings of the jig you need to mack to mack them as for making the ones you have in to soft ones cut the tops off with a cut of blade surf's grind them all the same height then with a diamond bur drill three equal spast holes and mack up sum threaded selves to go in to two of the holes and silver solder them up the third hole will be for a dowel pin to go in to that one will be the hardest to do as it needs to be deep to help support the jaw or just silver solder in blanks and drill and tap that's the way I'm planing to mack sum up for a chuck that i have hope this helps
krv3000, proud to be a member of MetalworkingFun Forum since Feb 2012.