--- product_id: 581018042 title: "Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）" brand: "rjsphh" price: "€ 137.99" currency: EUR in_stock: false reviews_count: 5 category: "Rjsphh" url: https://www.desertcart.pt/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x store_origin: PT region: Portugal --- # 0.5625" diameter, 7/16"-20 thread Knurled shoulder stops bolt spin Built-in grease zerk for easy lubrication Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） **Brand:** rjsphh **Price:** € 137.99 **Availability:** ❌ Out of Stock ## Summary > 🔧 Upgrade your trailer’s backbone with greaseable power! ## Quick Answers - **What is this?** Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） by rjsphh - **How much does it cost?** € 137.99 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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 - • **Anti-Spin Innovation:** Knurled shoulder design locks bolt in place, eliminating frustrating hanger bracket slippage. - • **Effortless Maintenance:** Integrated grease zerk lets you lubricate suspension springs without disassembly—keep your trailer smooth and silent. - • **Peace of Mind Warranty:** Backed by a 1-year warranty and responsive 24-hour customer support—upgrade your trailer with confidence. - • **Universal Compatibility:** Fits most trailer axles from 2000# up to 7000#, perfect for double eye or slipper style springs. - • **Precision Fit & Strength:** Grade 5 alloy steel with 0.5625" diameter ensures durable, reliable trailer axle performance. ## Overview This 14-piece set of RJSPHH Trailer Axle Spring Shackle Greaseable Spring Bolts features a 0.5625" diameter and 7/16"-20 UNC thread, crafted from durable Grade 5 alloy steel with a stainless steel finish. Designed with a knurled shoulder to prevent spinning and a built-in grease zerk for easy lubrication, these bolts fit most trailer axles ranging from 2000# to 7000#. Ideal for mounting double eye or slipper style springs, they come with lock nuts and a 1-year warranty, ensuring long-lasting, maintenance-friendly suspension performance. ## Description 🚗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 Review: Great upgrade Review: Some specs... ## 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 | |---------------|-------| | ASIN | B0BNGZ2J18 | | Brand | RJSPHH | | Colour | black | | Customer Reviews | 4.3 out of 5 stars 134 Reviews | | Exterior Finish | Stainless Steel | | Fastener Type | Hanger Bolt | | Head Style | Hex | | Head Type | Socket | | Item Diameter | 0.56 Inches | | Item Hardness | Grade 5 | | Manufacturer | RJSPHH | | Manufacturer Grade | Grade 2 | | Material | Alloy Steel | | Material Type | Alloy Steel | | Metal Type | Stainless Steel | | Model | LSZY | | Number of Pieces | 14 | | Part Number | LSZY | | Screw Head Style | Hex | | Set Screw Thread Type | Unified National Coarse (UNC) | | Size Name | 14pcs | | Thread Class | UNC | | Thread Size | M12x1.75 | | Thread Style | Right Hand | | Thread Type | UNC | | UPC | 752692079191 | | Unit Count | 14.0 Count | ## 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) ![Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） - Image 2](https://m.media-amazon.com/images/I/61YUDHs6+ZL.jpg) ![Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） - Image 3](https://m.media-amazon.com/images/I/519gWiix5ML.jpg) ![Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） - Image 4](https://m.media-amazon.com/images/I/71Hrf-9lUZL.jpg) ![Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs） - Image 5](https://m.media-amazon.com/images/I/81FspVnPQFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great upgrade *by J***. on 9 July 2024* ### ⭐⭐⭐⭐⭐ Some specs... *by J***D on 10 June 2025* ### ⭐⭐⭐⭐⭐ Excellent item *by F***D on 17 March 2026* --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x](https://www.desertcart.pt/products/581018042-trailer-axle-spring-shackle-greaseable-spring-bolt-9-16-x) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-24*