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  1. Accessories and Parts
  2. Redline
  3. Trailer Leaf Spring Suspension
  4. Suspension Bolt
  5. 5/16 Inch Diameter
  6. 3-1/4 Inch Long
Spring Keeper Bolt for Slipper Springs - 3-1/4" Long

Spring Keeper Bolt for Slipper Springs - 3-1/4" Long

Item # 7-7
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7-7 - 3-1/4 Inch Long Redline Accessories and Parts
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5/16" Diameter spring-retainer bolt is used to mount slipper spring inside rear hanger. Locknut sold separately. 1-833-496-1390 to order Redline accessories and parts part number 7-7 or order online at Free expert support on all Redline products. Guaranteed Lowest Price and Fastest Shipping for Spring Keeper Bolt for Slipper Springs - 3-1/4" Long. Accessories and Parts reviews from real customers.
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  • Reviews (5)
  • Q & A (0)
  • Videos (1)
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Redline Accessories and Parts - 7-7

  • Trailer Leaf Spring Suspension
  • Suspension Bolt
  • Redline
  • 5/16 Inch Diameter
  • 3-1/4 Inch Long

5/16" Diameter spring-retainer bolt is used to mount slipper spring inside rear hanger. Locknut sold separately.


  • Suspension bolt attaches leaf spring to rear hanger
    • Slipper spring slides into hanger and rests on bolt
  • Locknut (6-11; sold separately) secures in place on bolt


  • Diameter: 5/16"
  • Threads per inch: 18
  • Length: 3-1/4"
  • Grade: 2

7-7 Spring Retainer Bolt

Video of Spring Keeper Bolt for Slipper Springs - 3-1/4" Long

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Redline Trailer Suspension 7-7 Review

Today we're going to be taking a look at this spring keeper bolt for slipper springs. This suspension bolt attaches a leaf spring to a rear hanger. The slipper spring slides into the hanger and rests on this bolt. Now the lock nut that goes with this is sold separately. You can find it here at This is going to give us a diameter measurement of five sixteenths of an inch.

It's going to feature 18 threads per inch. The length measurement is taken from the bottom of the bolt head to the end of the threaded portion. You can see that that's going to measure right around 3 and one quarter inch long. This is a grade 2 bolt. That's going to do it for today's look at the spring keeper bolt for slipper springs..

Customer Reviews

Spring Keeper Bolt for Slipper Springs - 3-1/4" Long - 7-7

Average Customer Rating:  5.0 out of 5 stars   (5 Customer Reviews)

5/16" Diameter spring-retainer bolt is used to mount slipper spring inside rear hanger. Locknut sold separately.


Everything is excellent, the package arrived way faster than I thought. The only problem is I forgot to add 2 bolts to my list. I will definitely be ordering from etrailer from now on.


Perfect replacement parts


Good products, fast shipping...easy tra nsaction






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Info for this part was:

Employee Cole B
Installed by:
Cole B

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