Products
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
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.
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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