Thread: Rear leaf dowel rods

Originally Posted by Paultan

Anyone know the thread on these. I had to grind the old nuts off. I suspect its bsf (looks like 22 tpi). I have a ex-military Series 2a workshop.

If they are 5/16" x 22 tpi then they are BSF.

Originally Posted by Bigbjorn

If they are 5/16" x 22 tpi then they are BSF.

Thanks Bigbjorn, thats what I originally thought, but the diameter is around 9.2mm, so too small for 3/8”, and too big for 5/16”.

they are called "Centre Bolts"

Originally Posted by goingbush

they are called "Centre Bolts"

Thanks for that. But ...... i’m after the thread size.