TIE DOWN Zinc Square Bolt Kit 081628862195 3/8 1-5/8 3-9/16

( Brand: Tie Down ), ( Manufacturer Part Number: 86219 ), ( UPC: 081628862195 ), ( Type: U-bolt ), ( Warranty: 1 Year ), ( Country Of Manufacture: United States ), ( Item Weight: 0.36 Lb ), ( Material: Zinc Plated Steel )

Review TIE DOWN Zinc Plated Square U bolt Kit 3/8 Inch 1-5/8 3-9/16 fits MARINE

The **Tie-Down 86219 Zinc Marine Square U-Bolt Kit** is a premium, corrosion-resistant fastening solution meticulously engineered for demanding marine and outdoor applications where durability, reliability, and resistance to harsh environments are paramount. This kit features a **3/8-inch diameter zinc-coated square U-bolt**, paired with two **1-5/8-inch and 3-9/16-inch long zinc-plated square nuts**, all designed to withstand the relentless exposure to saltwater, humidity, and UV radiation that marine environments present. The zinc coating provides superior corrosion protection, significantly extending the lifespan of the hardware compared to standard steel fasteners, which are prone to rust and degradation over time. The square nut design ensures a secure, wrench-tight grip, preventing loosening from vibration or movement an essential feature for securing equipment, rigging, or structural components on boats, docks, or coastal installations. The kit s robust construction and precise dimensions make it ideal for a wide range of applications, from securing fuel tanks, bilge pumps, or deck hardware to reinforcing railings and mounting gear on fishing vessels, yachts, or offshore platforms. Whether used in recreational boating, commercial maritime operations, or industrial marine settings, this U-bolt kit delivers the strength and longevity required to keep critical systems firmly in place, even under the most challenging conditions. Its compatibility with standard wrenches and the ease of installation further enhance its practicality, making it a go-to choice for professionals and DIY enthusiasts alike who demand nothing less than top-tier performance in their marine fastening needs.

### **Pros and Cons of buying a Tie Down 86219 Zinc Marine Square U-Bolt Kit (3/8" x 1-5/8" x 3-9/16")**

1. **Corrosion Resistance** Made from **hot-dipped galvanized zinc**, this kit is designed for **marine and outdoor use**, where saltwater, humidity, and harsh weather can accelerate rust. The zinc coating provides long-lasting protection against corrosion, extending the lifespan of the bolts compared to standard steel.

2. **High-Strength Material** The bolts are likely made from **high-tensile steel**, ensuring durability under heavy loads. This makes them suitable for securing equipment, trailers, or marine applications where stability is critical.

3. **Square Head Design** The **square head** prevents spinning when tightening or loosening, making installation easier and reducing the risk of stripping threads.

4. **Standardized Sizes** The dimensions (3/8" shank, 1-5/8" nut, 3-9/16" bolt length) are common in marine and heavy-duty applications, ensuring compatibility with most hardware systems.

5. **Cost-Effective for Bulk Use** Purchasing a kit (rather than individual bolts) often provides a **better price per unit**, making it economical for projects requiring multiple fasteners.

6. **Versatile Applications** Suitable for **trailers, boats, RV tie-downs, decking, and other outdoor structures** where secure fastening is needed.

7. **Easy to Install** Comes as a pre-packaged kit, so users don t have to source bolts, nuts, and washers separately, saving time.

---

1. **Limited to Specific Uses** While great for marine and outdoor applications, these bolts may **not be ideal for high-temperature environments** (e.g., engine blocks, exhaust systems) where zinc can degrade faster.

2. **Potential for Thread Stripping** If over-tightened or used with improper washers/nuts, the square head can still slip slightly, risking thread damage in softer materials (e.g., aluminum).

3. **Not Ideal for Extreme Vibration** In highly vibrating environments (e.g., some marine engines or heavy machinery), the zinc coating may wear unevenly over time, reducing long-term reliability.

4. **Size Limitations** The fixed dimensions (3/8" x 1-5/8" x 3-9/16") may not fit all applications. Users with specific thickness requirements might need a different length or diameter.

5. **Zinc Coating Wear Over Time** While durable, the zinc coating can **erode in aggressive environments** (e.g., constant saltwater immersion without maintenance), potentially leading to rust if not inspected periodically.

6. **May Require Additional Hardware** Depending on the application, users might still need **lock washers, nuts, or additional fasteners** for extra security, adding to the total cost.

---

### **Conclusion**

The **Tie Down 86219 Zinc Marine Square U-Bolt Kit** is an excellent choice for **marine, outdoor, and heavy-duty applications** where corrosion resistance and ease of use are priorities. Its **galvanized zinc coating, square head design, and standard sizing** make it reliable for securing trailers, boats, and similar structures. However, it may not be the best option for **high-temperature or extreme vibration environments**, and users should ensure proper installation to prevent thread stripping.

---

### **Recommendation**

- You need **corrosion-resistant fasteners** for marine, outdoor, or trailer applications.

- You prefer **easy installation** with a square head to prevent spinning.

- You want a **cost-effective solution** for bulk fastening needs.

- Your application involves **high heat or extreme vibration** where zinc may degrade quickly.

- You require **custom bolt lengths or diameters** not covered by this kit.

- You re working with **very soft materials** (e.g., thin aluminum) where thread stripping is a risk.

**Final Verdict:** This is a **solid, practical choice** for most marine and outdoor tie-down needs, provided proper maintenance (e.g., periodic inspection for rust) is performed. For specialized applications, consider alternative coatings (e.g., stainless steel) if corrosion resistance is critical in harsh conditions.

Details:

Specifications, Bend Shape: Square. Leg length : 3-9/16. Pickup is not available.: Tie Down 86219 zinc plated square U-bolts come with flat washers and nylon nuts, providing a secure fit while preventing rusting.

Describe the nature of problem and its urgency include pictures if possible. Zinc plated for protection against corrosion. Be sure to enter an accurate reason and for the return. Items heading outside the USA cannot be used for military or government applications.

Features, designed to securely mount brackets trailer frame. To minimize exposure, work in a well-ventilated area, wear gloves, and wash your hands. Threads per inch: 16. Tie Downs U-bolt kits offer a premium and reliable mounting solution for your trailer brackets, ensuring secure stable setup.

Every country is different. Rod width : 3/8.

part #: 86219 prices

• $7.43-$12.89

specifications traiparboa:

• for models: Marine
• brand: Tie Down
• mpn: 86219
• upc: 081628862195
• type: U-bolt
• warranty: 1 Year
• country of manufacture: United States
• item weight: 0.36 Lb
• material: Zinc Plated Steel

seller traiparboa:

• city: Everett, Washington
• rating: 100.0%
• # reviews: 42921

general traiparboa:

• condition: New
• Parts Accessories > Boat Parts > Trailer Parts

shipping traiparboa:

• type: Fixed
• transit: 5-8 Days
• cost: $0.00
• service: Economy, Expedited
• class: Economy, Expedited

offer traiparboa:

• started: March 26, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 7

payments traiparboa:

• wallet: Paypal
• other
• credit card: Mastercard

returns traiparboa:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

Tie Down 86219 Is Similar To:

• 86124 Tie Down 5 Bunk Board Guide-on Pair (32.8% similar) Tie Down ' bunk board guide on pair new without original box this item comes with all accessories supplied by manufacturer, except the manual is not included. 387595TIE0NW63. The offered shipping cost in the listing applies only to 48 states. Brand Tie Down engineering product features fits frames ...(April 13th, 2016)
• F13114 Boatbuckle Kwik-lok Gunwale Tie-down 2 X 13 79111131149 (21.9% similar) Boat buckle Kirk Loki gunwale Tie Down 2 x 13 this item is brand new, unopened and sealed in its original factory box. Product dimensions approximately 8 in length , 6 wide, and 3 in height . Ea safe work load 400 labours popular Kirk Loki gunwale feature 5,500 lb. Kirk Loki gunwale Tie Downs ...(August 11th, 2016)
• 14-38 F14221 Boatbuckle G2 Retractable Gunwale Tie-down Pair 79111142213 (13.6% similar) Boat buckle g2 retractable gunwale Tie Down pair this item is brand new, unopened and sealed in its original factory box. Perfect for aluminum or other narrow gunwale boats. Boat buckle g2 retractable gunwale Tie Down quantity 2DIMENSIONS 14 38BREAK strength 2,500 lbs. Product dimensions ...(May 1st, 2016)
• F14393 Boatbuckle Bow Tie-down G2 Retractable 14-43 Stainless Steel 79111143937 (23.4% similar) This system was designed with three point trailer Tie Down safety in mind and should always be used in conjunction with a good winch strap, along with a transom or gunwale Tie Down. Product dimensions approximately 13 in length , 6 wide, and 3 in height . Listing managed by. Boat buckle F14393 bow...(November 8th, 2015)
• F14220 F14220 Boatbuckle G2 Retractable Bow Tie-down 14-43 079111142206 (19.2% similar) This system was designed with three point trailer Tie Down safety in mind and should always be used in conjunction with a good winch strap, along with a transom or gunwale Tie Down. Most items ship out same day or next day with ups. The item must be unused and or uninstalled. The estimated delivery ...(August 21st, 2016)
• F14251 F13111 F14251 Boatbuckle Kwik-lok Transom Tie-down 2 X 4 Pair New Open Package 079111131118 (16.2% similar) New without packaging. Kirk Loki transom Tie Downs quantity 2 dimensions 2 x 4' break strength 1,200 lbs. Ea safe work load 400 lbs the Kirk Loki buckle Tie Downs feature vinyl coated top hooks, zinc coated trailer hooks, along with durable polypropylene webbing and a protective web pad...(August 15th, 2016)
• 14-43 F14256 Retractable Downs Pair Boatbuckle G2 Transom Tie-down Stainless Steel 079111142565 (23.5% similar) After all, our reputation is riding on it. Return merchandise must be in original factory condition, and must include all original packaging materials, warranty cards, manuals and accessories. Ea safe work load 500 g2 is still the ultimate Tie Down system in convenience, and innovation in trailer ...(October 30th, 2015)
• F18804 Cargobuckle Motorcycle Flush Mount Tie-down System W Trap Door 79111880481 (21.8% similar) 5 deem each break strength 3,500 lbs. Product dimensions approximately 10 in length , 7 wide, and 7 in height . Safe working load 1,167 lbs. When not in use, the cargo buckle hinges below the floor and the trap door closes. Product info item no. Cargo buckle F18804 motorcycle flush mount Tie Down ...(November 7th, 2015)
• F101867 Cargobuckle G3 Retractable Ratchet Tie-down 2 X 72 No Hardware (16.6% similar) Product dimensions approximately 6 in length , 4 wide, and 3 in height . Longer, heavier web enables you to Tie Down more equipment in more applications, conveniently and securely. Breaking strength each safe working load approximately 1,167 lbs. The cargo buckle can be permanently mounted with ...(August 10th, 2016)
• 46304 Ranger Boats Tie Down Engineering 6 In Boat Trailer Discbrake Caliper W Pads (28% similar) Instruction installation manual not included. This caliper measures approximately 7 l x 5 w x 3OVERALL. All measurements are approximate. Unfortunately, this may increase your shipping costs. Here to see thousands of items available at prices that can't be beat. Aluminum caliper body w e coat finish...(November 14th, 2015)
• 46304a Tie Down Brake Caliper 10 12 Tiedown Aluminun W Pads Sold As 4 Units (25.3% similar) Each shipping 50 Tie Down engineering replacement caliper assembly w pads. Black e coat finish protects the caliper from salt crystallization. Oil impregnated bronze slider pin bushings. All aluminum caliper, 380 series alloy, sheds heat five times faster than traditional cast iron calipers. Brake ...(May 12th, 2016)