---
product_id: 581018042
title: "Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）"
brand: "rjsphh"
price: "1261 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x
store_origin: PL
region: Poland
---

# 0.5625" diameter, 7/16"-20 thread Knurled shoulder stops bolt spin Grease zerk for easy lubrication Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）

**Brand:** rjsphh
**Price:** 1261 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Keep your trailer rolling smooth — greaseable bolts that work as hard as you do!

## Quick Answers

- **What is this?** Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） by rjsphh
- **How much does it cost?** 1261 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x)

## Best For

- rjsphh enthusiasts

## Why This Product

- Trusted rjsphh brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Reliability:** Backed by a 1-year warranty and responsive 24-hour customer support for peace of mind.
- • **Anti-Spin Innovation:** Knurled shoulder design prevents bolt rotation, making installation and maintenance hassle-free.
- • **Complete 14-Piece Set:** Everything you need for a full axle spring shackle upgrade, crafted from corrosion-resistant stainless steel.
- • **Greaseable Convenience:** Built-in grease zerk lets you effortlessly lubricate suspension points, extending trailer axle life.
- • **Precision Fit & Strength:** M12x1.75 thread with Grade 5 hardness ensures durable, secure mounting for trailer axles up to 7000#.

## Overview

The RJSPHH Trailer Axle Spring Shackle Greaseable Spring Bolt set features 14 high-grade stainless steel bolts with a 0.5625" diameter and 7/16"-20 thread, designed for trailer axles ranging from 2000# to 7000#. Its knurled shoulder prevents spinning during installation, while the integrated grease zerk allows easy lubrication to maximize suspension durability. Engineered for professional-grade performance and backed by a 1-year warranty, this set is essential for maintaining smooth, reliable trailer operation.

## Description



## Features

- 🚗Outside Diameter - 0.5625", 7/16"-20 thread
- 🚗Knurled shoulder prevents bolt from spinning in hanger bracket. Includes grease zerk and lock nut.
- 🚗This bolt is drilled out with a grease zerk on the end! (Used on most trailer axles from 2000#, 3500#, 5200#, 6000# and 7000# Axles)
- 🚗Keep trailer suspensions lubricated with the Greaseable Spring Bolt for mounting double eye or slipper style axle springs to hanger brackets or equalizers
- 🚗 1 year warranty for it.If you have any problem ,please contact us and we will respond you on 24 hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Alloy Steel |
| Thread Size | M12x1.75 |
| Exterior Finish | Stainless Steel |
| Manufacturer Grade | Grade 2 |
| Head Style | Hex |
| Colour | black |
| Fastener Type | Hanger Bolt |
| Brand | RJSPHH |
| Thread Type | UNC |
| Item Diameter | 0.56 Inches |
| Thread Style | Right Hand |
| Item Hardness | Grade 5 |
| Size | 14pcs |
| Metal Type | Stainless Steel |
| Head Type | Socket |
| Thread Class | UNC |
| Number of Pieces | 14 |
| UPC | 752692079191 |
| Manufacturer | RJSPHH |
| Item model number | LSZY |
| Manufacturer Part Number | LSZY |
| Item Weight | 1 kg 670 g |

## Product Details

- **Material:** Alloy Steel
- **Thread Size:** M12x1.75
- **Exterior Finish:** Stainless Steel
- **Manufacturer Grade:** Grade 2
- **Head Style:** Hex

## Images

![Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） - Image 1](https://m.media-amazon.com/images/I/71TKRfaGwfL.jpg)

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**Shop now:** [https://www.desertcart.pl/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x](https://www.desertcart.pl/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-21*