They are/were the same as was on there. Seemingly quite a fine thread.
I asked because Mercury use an imperial thread bolt and I wondered whether you'd bought metric fine thread bolts to replace them with, but used the original imperial nuts, hence cross threading.
I asked because Mercury use an imperial thread bolt and I wondered whether you'd bought metric fine thread bolts to replace them with, but used the original imperial nuts, hence cross threading.
I see -I had new bolts and nuts that ran fine up to the nylock part ( but alas are now 6 feet apart at the bottom of the river and one with clealry ' buggered' threads (I think that the technical description.......
The moral - pay somone, or dont try this while the boat is afloat !
Great thread. So steel, A2 or A4 has mainly to do with corrosion resistance and markin like 8.8 with the strengt of the bolt. But is it so that original engine bolts typically has the 8.8 spec, or is it less or more?
__________________
fun on a boat is inversely proportional to size...sort of anyway