Candidate for arcane question of the day (but describes today's lunchtime project): What's the sizing on the screws used to fix/attach headrests on the '68-70 cars? These are the screws go through th
Just did this one!! It's an M6 thread; the head would be optional but I use a flathead phillips drive. Length is dependent on how you mount the rest. I mounted mine using a flat then a finishing stai
Original headrest attaching screws for 68-70 cars have 1/4-28 NF threads, a pointed tip for ease of assembly. There is only one mounting position on the original setup. Some people drop them all the
The M6 and 1/4-28 must have a very close TP and size. The M6 really felt right but it was a test fit and process of elimination. I wish I would of had the conical point though, it was a "blind" job a
I'm no expert on screws, but "M6" is 6mm nominal diameter, so that's 0.236" versus 0.25" for the "1/4". On the 28 NF TP versus metric TP issue, I won't venture a guess. - Bob -- R.W. Mann & Company,
Although I cannot remember the thread specs, I bought allen drive screws. really simplified installation. right but it was a test fit and process of elimination. I wish I would of had the conical poi
How about a Rule of thumb that away from the motor.. most of the screws & bolts on the cars are "SAE" measurements and threads, not metric.. Am I on track with this ROT? my '69 2000 headrest screws a
Well, the parts bin coughed up three of exactly what Stan described. They thread cleanly into the head rest forks, but proved a bear to thread through the seat back, then into the forks. And I still