The side without the nylon ring is threaded onto a bolt first.
Metal lock nut vs nylon lock nut.
All metal nuts are exactly as they sound.
Top lock conical lock tri lock stover locknut griptite locknut 2.
I talked about thin nuts above they do not jam nut well.
As for whether a locking nut of any short is necessary on a scope i d say yes unless it stays at home and is only moved across even ground.
They are made of one solid piece of metal.
Nylon insert nuts however have a small ring of nylon within the metal outside of the locknut that squeezes the mating threads when the nut is tightened thereby creating the prevailing torque.
A one piece all metal lock nut with a flanged bearing surface that increases the surface area substantially and has circular serrations radiating outwards.
When this style of nut is assembled onto the bolt thread the nylon will distort and grip onto the bolt thread.
Because all metal nuts are one material they are very resistant to high temperatures and high chemical exposures.
About 25 stronger than medium strength steel locknuts these nuts are made of high strength class 10 steel.
Fastener nylon lock nut boasts of a stainless steel construction.
For telescope construction there is no need for metal lock nuts which are intended for high heat where nylon lock nuts would melt.
This ensures the nut is resistant to chemicals or wear caused by rust.
Unlike all metal nuts the nylon insert limits the use at elevated temperatures or when exposed to certain chemicals.
My opinion is the lower the height of the mirror cell the better.
Nylon lock nut s thick profile adds to its durability and tenacity in maintain joint integrity.
Google jam nut for stardard m8 the height of this 13 mm my trio is above 10 mm.
Nylon insert lock nuts this style of lock nut has a non metallic nylon ring encased into the top of the nut.
Common names for all metal lock nuts are.
A nylon insert keeps metric bolt threads from coming loose due to vibration wear and temperature swings.
The nylon ring is narrower than the diameter of the bolt but can stretch around the bolt if torqued.
This is another reason why i do not use standard nuts.