Determining Which 1/2" Replacement Wheel Stud For 4 Bolt Trailer Hub

Updated 03/01/2021 | Published 02/24/2021

Question:

Do yall sell 1/2 inch stud extenders for the 4 bolt trailer hubs.

asked by: Brendan T

Expert Reply:

It sounds like you are looking for longer 1/2" studs for your 4 bolt trailer hub.

I would be happy to see if we have studs that would work for your hubs, but first I will need to know a few measurements of your current studs.

The most important measurement is the spline diameter (E), spline length (C) and stud length (B) as shown in the included diagram.

For example the Trailer Hub Wheel Stud # 7-122 is a 1/2" wheel stud that has the following dimensions:
Thread Diameter (A) 1/2"
Stud Length (B) 1.99"
Spline Length (C) .62"
Base Length (D) .73"
Spline Diameter (E) .61"

If you can provide the dimensions of your current studs, and how long you are needing the replacement studs to be I would be happy to make a recommendation for you.