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Heavy Duty Forged 1-Inch D-Ring Tie Down with Weld-On Bracket

Premium 1″ forged alloy steel D-ring with weld-on mounting bracket. 4,500 lbs WLL, 4:1 safety factor. IATF 16949 certified. Perfect for trucks, trailers, and off-road recovery. Factory-direct pricing & custom solutions.

Colour: Original / Black
Materials: High quality alloy steel
Production processes: Forging
Heat Treatment: Normalizing, Annealing, Quenching, Tempering
Surface Finish: Shot Blasting, Polishing, Baking Varnish
Certificates: IATF16949
Transport Package: Wooden Case
Delivery Time: 15-20 Days

Category
Product Details

1. Product Introduction

While standard cast D-rings hiddenly harbor internal air pockets that snap under sudden tension, our Forged 1-Inch D-Ring is slammed by a 12,000-ton press to eliminate any microscopic weak points.

The D-Ring is Paired with a precision-beveled weld-on bracket, it forms an unbreakable bond with your trailer frame, engineered specifically to absorb severe off-road shocks and violent cargo shifts without cracking.

Product Name Heavy Duty Forged 1-Inch D-Ring Tie Down with Weld-On Bracket OEM Supplier
Part No 1 inch D-Ring
Working load limit 15,586 lb
Diameter 1.0″ [25.4 mm]
Total weight 3.52 lb /1.6 KG
Type D-Ring
Tensile Strength(MPa) ≥1200
Yield Strength(MPa) ≥1000
Impact (J) ≥50
Hardness (HB) 300-330
Total thickness(H) 1.0″ [25.4 mm]
Total length (L) 6.0″ [152.4 mm]
In inner1 4″ [101.6 mm]
In inner2 3″ [76.2 mm]
Width (W) 5.0″ [127 mm]
Materials 51CrV4/52CrMoV4/60CrMo3-3
Production Processes Forging Process
Certificates IATF 16949
Heat Treatment Quenching, Tempering

 

As a trusted OEM supplier of complete truck suspension, steering, and towing components, we ensure every D-ring meets the highest industry standards under strict quality control.

Forged 1Inch D-Ring With Weld-On Mounting Bracket

2. Key Features & Benefits

  • 1. Superior Forged Strength: Precision hot-forged construction eliminates internal porosity and weak points, offering superior structural integrity over cast alternatives.
  • 2. Secure, Permanent Mounting: The heavy-duty weld-on bracket provides a permanent, high-vibration-resistant attachment to any steel surface.
  • 3. Optimized Safety Factor: Engineered with a strict 4:1 safety margin, ensuring peace of mind during high-stress recovery or transport operations.
  • 4. Excellent Weldability: Specially heat-treated and stress-relieved alloy steel minimizes distortion and cracking risks during the welding process.
  • 5. Flexible Surface Finishes: Available in shot-blasted (ready-to-weld), polished, or powder-coated finishes for ultimate corrosion protection.

3. Material & Manufacturing Process

1. Material: High-strength Alloy Steel (AISI 4140 Equivalent)
2. Manufacturing Process: Precision hot forging via a 12,000-ton press
3. Heat Treatment: Normalizing (refines grain structure) →Quenching & Tempering (achieves HRC 32-36 hardness) →Stress Relieving
4. Certifications: IATF 16949:2016 Certified, ASTM A788 Class F, Load Tested per EN 13889

4. Advanced Manufacturing & Quality Assurance

We don’t compromise on safety. Our production line incorporates rigorous testing at every stage:

  • 1. 100% Dimensional Inspection: Verified by Coordinate Measuring Machines (CMM) for flawless fitment.
  • 2. Material Traceability: Complete Material Test Reports (MTR) covering chemical and mechanical properties are available for every batch.
  • 3. Hardness & Proof Load Testing: Batch-tested for Rockwell C-scale compliance and structural failure prevention under extreme stress.

5. Matching Accessories & Complementary Parts

To build a complete suspension or towing system under one roof, we also supply:

1. Heavy-Duty Leaf Springs & U-Bolts: Engineered for matching truck and trailer suspension setups.
2. High-Tensile Tow Straps & Binder Chains: Rated perfectly to match the 4,500 lbs WLL.
3. Custom Backing Plates: For applications where reinforcement is needed beneath the welding surface.

6. Common Applications

Truck & Commercial Trailer Tie-Downs: Flatbeds, utility trailers, and heavy-equipment haulers.
Off-Road Vehicle Recovery: Custom bumpers and chassis anchor points for 4×4 vehicles.
Marine & Cargo Securing: Ship decks, docks, and maritime shipping containers.
Industrial & Construction Anchoring: Securing heavy machinery, cranes, and military defense transport.

7. Buyer & Procurement Notes

Before placing your bulk order, please consider the following:

  • 1. Welding Requirements: Professional welding is required. For optimal penetration and safety, we recommend using MIG or stick welding (6010/7018 rods) with a preheat to 300°F (150°C).
  • 2. Surface Finish Selection: If you plan to weld immediately upon receipt, choose the Shot-Blasted or raw finish. Pre-painted/varnished areas must be ground down before welding.
  • 3. Customization (OEM/ODM): We can modify dimensions, bracket thicknesses, and load ratings. Please provide your technical drawings or target performance data upfront.

8. Packaging & Logistics

Standard Packaging: Export-grade, foam-lined wooden cases to prevent scratching and surface damage during transit.
Lead Time: Standard production is 15-20 days.
MOQ: Sample orders (1-5 pcs) are welcome for quality verification. Bulk wholesale discounts apply to orders of 50+ units.
Expedited Shipping: Air freight and express ocean freight options are available upon request.

9. FAQ (Frequently Asked Questions)

Q1 : Can this D-Ring be powder-coated for extra corrosion resistance?
A: Yes. We offer premium electrostatic powder coating in standard black or custom brand colors. However, please note that the welding area must be cleared of coating prior to installation.

Q2 : Do you provide official material and test certification?
A: Absolutely. Every shipment can be accompanied by an IATF 16949 compliant Material Test Report (MTR), Mill Test Certificate, and load-testing reports.

Q3: Do you offer larger or custom D-Ring sizes?
A: Yes, we are a full-scale factory. We regularly manufacture 1.5″, 2″, and 3″ forged D-rings with custom bracket styles to fit specific heavy-duty industrial specifications.

Q4: Can I use this D-Ring for overhead lifting applications?
A: No. While this D-ring features an 18,000 lbs breaking strength, it is strictly engineered and rated for tie-down, cargo securing, and towing recovery purposes. It is not certified for overhead lifting.

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