What Size Bolts Should Be Used To Install Demco A-Frame Trailer Coupler?  

The Brophy 2" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Stainless - 7.5K item #SC23-C you referenced is made in Clackamas, Oregon.

The highest capacity 2 inch hitch ball we offer that has a 1-1/4 inch diameter shank is going to be the Curt #A-90 which has a 10k capacity. It is interesting that a 1 inch shank diameter ball #40038 has a 12k capacity yet has a smaller shank, but…

The Demco A-Frame Trailer Coupler #DM14793-81 (Black) or #DM14793-52 (Silver) do not come with bolts. You will need to use 1/2" Grade 5 hex bolts with them. I've added links to video reviews of each coupler for you to check out.

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

Yes, to replace the latch on your Demco Trailer Coupler - Flat Plate Mount #DM99VR you need the eZ-Latch Repair Kit #DM6008.

I would use a protractor, see photo, place the protractor on the edge of the inside of one side of the trailer frame and the other inside edge of the trailer frame should be parallel with the 50 degree line on the protractor. Another way to verify…

Yes, everything you mentioned is compatible. The spindle part #TRU74FR is compatible with the hub/drum part #AKHD-545-35-EZ-K which is also compatible with the brake assembly set you mentioned of #AKEBRK-35-SA. The bearing kit part #BK2-100 is…

Although it's intended to be bolted in place, the Demco #DM15349-52 coupler mount could certainly be welded instead. I've linked you to a product description video featuing the #DM15349-52 A-Frame coupler mount.

There is! To replace the standard pin and clip on the Curt QuickPin No Latch A-Frame Trailer Coupler #C84DR Curt actually recommend the Hitch Lock #C23025 which is what I recommend going with!

I checked the Featherlite Trailer website for specs on the model 3116 trailer but this part number returned no results. But if your trailer uses an industry-standard 50-degree a-frame design then the Demco A-Frame Trailer Coupler #DM16680-52 will fit…

That is correct the inner dimension of the Demco A-Frame Trailer Coupler item #DM14793-95 is 10 3/4 inches. I have attached a picture that breaks down the measurements. You would need to fabricate a spacer on either side to attach this coupler to…