What Size Nuts and Studs are Used to Mount 7 and 10 Inch Trailer Brake Assemblies

Question

Question:

What size is the Nut to secure for the brake assemblies 7 or 10 brakes? Size stub? Treads per inch SAE/Metric?

asked by: John H

0

Expert Reply:

The studs on the Dexter 7 inc brake assembly, part # 23-47, are 1-1/4 inch long with 7/16 - 20 threads. Brake Assembly mounting bolt, part # 7-75, is 1-1/4 inch long with 7/16 - 20 threads. The nuts, part # 6-17, are also 7/16 - 20.

This size is pretty standardized as far as 7 inch and 10 inch brake assemblies.

expert reply by: Patrick B

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Answer 1

According to Dexter, the nut should be torqued to between 45-70 foot lbs. If you don't have a torque wrench close at hand, Tighten the bolts until the lock washer flattens, which will put you really close to the correct torque. We offer 4 nuts…

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Answer 2

There might be a part number that is located on the back of the brake assembly itself or maybe a sticker that is still readable. From the picture you sent in it looks like you have 10" self-adjusting brakes for a 3,500 lb axle like our kit…

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Answer 3

Typically trailer wiring is color coded. The brake circuit is usually a blue wire which travels to each brake magnet, where it is attached to one wire from each brake magnet. The other wire from each brake magnet will ground to the trailer frame. I…

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Answer 4

The hub ratings are for the axle capacity, and not the trailer weight capacity. For example, The trailer hubs you came from, part #AKIHUB-545-35-EZ-K is designed for 3,500 lb axles. This hub includes the bearings races, seals, grease cap, and lug…

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Answer 5

To determine why you do not have any power on the blue brake output wire, I recommend starting at your brake controller. First, make sure the brake controller is on and receiving power. Most brake controllers have 4 wires, blue (brake output to…

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Answer 6

Ten inch brakes will use a larger hub than 7 inch brakes. So you will not only have to change the brake assemblies but also the hubs and the wheels. If cost is not a factor then you can do all of this but it would be much easier to just replace the 7…

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Answer 7

The Dexter #23-47-48 and etrailer #AKEBRK-2 brake assemblies are just that. The same part made by two different companies. They're both 7 inch brake assemblies for 2,000 pound axles. Both the left and right hand brakes are included and labeled to…

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Answer 8

The three brands of brake assemblies are made by different companies. None of them are made by each other. It might seem strange but if it were my trailer I would install Dexter assemblies. They have the best reputation because they are designed well…

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Answer 9

Yes, the battery disconnect from Bulldog Winch #BDW20247 that you referenced will work great as a way to disconnect the battery of your trailer easily.

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Answer 10

Dexter brake assemblies like the part #23-458-459 are essentially the best ones on the market. They use the best materials and and incredibly reliable and well-made. That being said the etrailer.com brand assemblies part #AKEBRK-7-SA are also very…

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Answer 11

I went ahead and called my contact at Redline Trailer Repair Parts, and they confirmed that nuts in the Mounting Hardware for 10" Brake Assemblies #BRKH10B have a diameter of 7/16mm and have 20 threads per inch. Unfortunately, there are no bolts…

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Answer 12

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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What Size Nuts and Studs are Used to Mount 7 and 10 Inch Trailer Brake Assemblies

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