sdsurf Posted June 22, 2009 Report Share Posted June 22, 2009 what size bolts do I use to connect the driveshat to the trans on a 72 521? I seemed to have misplaced them. length and socket size appreciated Quote Link to comment
Pacific coast Datsun Posted June 22, 2009 Report Share Posted June 22, 2009 Mike i wanna say they are 12mm bolts & about 1 1/4 inches long. Pick up some new grade 8 bolts from Home depot if you cant locate the stocks. Quote Link to comment
sdsurf Posted June 22, 2009 Author Report Share Posted June 22, 2009 Mike i wanna say they are 12mm bolts & about 1 1/4 inches long. Pick up some new grade 8 bolts from Home depot if you cant locate the stocks. good call!! I know they need to be hardened so I will look through by bolt stock.. Quote Link to comment
datzenmike Posted June 22, 2009 Report Share Posted June 22, 2009 Also the threads don't go all the way up to the bolt head. This makes them more shear resistant. Quote Link to comment
yello620 Posted June 22, 2009 Report Share Posted June 22, 2009 Mike i wanna say they are 12mm bolts & about 1 1/4 inches long. Pick up some new grade 8 bolts from Home depot if you cant locate the stocks. They are not actually a 12mm bolt, but a 12mm wrench size. Which should make them a 8mm bolt. That's how the 620 is. Quote Link to comment
sdsurf Posted June 22, 2009 Author Report Share Posted June 22, 2009 They are not actually a 12mm bolt, but a 12mm wrench size. Which should make them a 8mm bolt. That's how the 620 is. yeah i asked what wrench size... Quote Link to comment
jesusno2 Posted June 22, 2009 Report Share Posted June 22, 2009 High grade 8mm 1.25 pitch bolt with nylock nuts (not sure if they use nuts or if the flange is threaded???) i think 20 or 25mm long or buy the way every 8mm fasterner ive seen now is a 13mm headed bolt, i dont think they make them 12mm anymore? Quote Link to comment
Danfinny Posted June 26, 2009 Report Share Posted June 26, 2009 MY Dot had 10x1.0 sized bolts I now this cause i need new nuts arggg.. they looked as if they had never come off lol:D Quote Link to comment
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