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Do You Have Zinc Plated 3-1/2" Long Wet Bolts?  

Updated 06/02/2025 | Published 05/26/2025

Question:

I need some 3-1/2 long shackle bolts that are zinc plated or galvanized for my boat trailer. Do yall offer any this length?

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Expert Reply:

Hey Cody. The longest zinc plated shackle bolt we have is the Replacement Wet Shoulder Bolt item # MR52HR. It measures 9/16" x 3-3/8". They're sold as part of a kit with the MORryde Suspension Upgrade Kit for Tandem Axle Trailers item # MR76ZR.

What kind of trailer do you have? You can add this information and any other questions you have in the box that says Reply to Jerred H.

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Jerred H
Cody C. profile picture

Cody C.

5/29/2025

Hey Jerred I have a sportsman's trailer made by steelco inc. It had a slipper spring setup and I'm trying to convert it to a double eye. My plan is to use the existing mount and use a 3-1/2 bolt to bolt the shackles on then use washers to take up the gap that will be between the spring and the shakle. Everything needs to be galvanized so it won't rust because olinlaunch in saltwater and my last axle setup only lasted 2 years

Jerred H. profile picture
Etrailer Expert

Jerred H.

5/30/2025

@CodyC That makes complete sense. How far apart are your spring hangers?
Cody C. profile picture

Cody C.

5/30/2025

@JerredH 25-3/4in hole to hole
Jerred H. profile picture
Etrailer Expert

Jerred H.

6/2/2025

@CodyC We have a 26" spring that's Dacroment coated, which is a zinc based protective layer. It is the etrailer Rust-Resistant 4-Leaf Double Eye Spring for 4K Trailer Axles item # e48SR.

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