Best Stainless Fastener Upgrade Kit for FX Impact Mk1,Mk2 and M3

[RobHales]

I just received a stainless fastener upgrade kit for one of my Impact m3's from a member on here by the name of yenniedn who sells these kits.
I was taken back by the level of pride this guy takes in putting together these kits. Each screw is individually taped to a label that says exactly what it is and where it goes.
For someone who is swapping out fasteners for the first time on their Impact, this is probably the best kit you can get. It is practically foolproof and as you can see in the
attached pictures, this guy has thought about everything and has gone the extra mile to ensure the easy and proper installation of these fasteners.
Great job yenniedn!!!

 

[Bigragu]

I’ve had dealings with Yen before, all positive. You can tell he takes pride in whatever he does

 

[heavy-impact]

Some of mine were getting a little rust on the threads so I purchased an M3 stainless cap screw kit from amazon with enough to change all the M3s on several impacts for $20.
It's best to oil or use anti seize on stainless fasteners in aluminum to prevent galling or galvanic corrosion.

 

[Bigragu]

I’ve converted all the fasteners to stainless on my 6 pcp’s. It become habit, anymore, to pull the sizes one by one and order them thru Belmetrics or Accu fasteners.

And yes, anti seize is a must, or the stainless fastener will seize up in aluminum

 

[ripping.r]

i just ordered a kit from yenniedn. glad to hear this.

 

[bigHUN]

If you playing with swapping parts or deeper surgeries, sooner or later you will get to a red line where the hole treads will need some attention.
I know that one of the M3 thread in the rear block (upper rail screws) will need fixing, and I ordered the variety of thread inserts (McMaster) next time I am taking it apart I will have to re-thread. SST helicoil thread inserts are stronger then the existing aluminum.