2 types 8 bolts

[Steve Swan]

here's a nice view of two tpyes of "8" bolts.   what i call the 1st and teh 2nd types.  (the 3rd bolt is what one sees beginning late ko onward thru 1976.  i call that bolt a "hognose 8.")

http://www.ebay.com/itm/121376510160?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649